Finding the Fourth Proportional to 38,079,144.42, 57,126,910.82 and 11,817,461.50

Step by Step Solution

1. Step 1: Write the proportion equation
   38,079,144.42 : 57,126,910.82 = 11,817,461.50 : x
2. Step 2: Convert to fraction form
   38,079,144.42/57,126,910.82 = 11,817,461.50/x
3. Step 3: Cross multiply
   38,079,144.42x = 57,126,910.82 × 11,817,461.50
4. Step 4: Simplify right side
   38,079,144.42x = 675,095,068,943,648.88
5. Step 5: Solve for x
   x = 675,095,068,943,648.88/38,079,144.42
6. Step 6: Final answer
   x = 17,728,735.23