Finding the Fourth Proportional to 105,070,739,462.71, 144,997,760,287.42 and 56,898,865,771.37

Step by Step Solution

1. Step 1: Write the proportion equation
   105,070,739,462.71 : 144,997,760,287.42 = 56,898,865,771.37 : x
2. Step 2: Convert to fraction form
   105,070,739,462.71/144,997,760,287.42 = 56,898,865,771.37/x
3. Step 3: Cross multiply
   105,070,739,462.71x = 144,997,760,287.42 × 56,898,865,771.37
4. Step 4: Simplify right side
   105,070,739,462.71x = 8,250,208,099,743,195,725,824
5. Step 5: Solve for x
   x = 8,250,208,099,743,195,725,824/105,070,739,462.71
6. Step 6: Final answer
   x = 78,520,510,485.90