Finding the Fourth Proportional to 72,146,224.71, 99,559,122.71 and 39,105,764.46

Step by Step Solution

1. Step 1: Write the proportion equation
   72,146,224.71 : 99,559,122.71 = 39,105,764.46 : x
2. Step 2: Convert to fraction form
   72,146,224.71/99,559,122.71 = 39,105,764.46/x
3. Step 3: Cross multiply
   72,146,224.71x = 99,559,122.71 × 39,105,764.46
4. Step 4: Simplify right side
   72,146,224.71x = 3,893,335,602,345,968
5. Step 5: Solve for x
   x = 3,893,335,602,345,968/72,146,224.71
6. Step 6: Final answer
   x = 53,964,509.13