Finding the Fourth Proportional to 386,598,002.88, 579,951,478.71 and 124,194,565.86

Step by Step Solution

1. Step 1: Write the proportion equation
   386,598,002.88 : 579,951,478.71 = 124,194,565.86 : x
2. Step 2: Convert to fraction form
   386,598,002.88/579,951,478.71 = 124,194,565.86/x
3. Step 3: Cross multiply
   386,598,002.88x = 579,951,478.71 × 124,194,565.86
4. Step 4: Simplify right side
   386,598,002.88x = 72,026,822,118,253,488
5. Step 5: Solve for x
   x = 72,026,822,118,253,488/386,598,002.88
6. Step 6: Final answer
   x = 186,309,348.68