Finding the Fourth Proportional to 103,162,663.72, 142,365,649.98 and 59,108,779

Step by Step Solution

1. Step 1: Write the proportion equation
   103,162,663.72 : 142,365,649.98 = 59,108,779 : x
2. Step 2: Convert to fraction form
   103,162,663.72/142,365,649.98 = 59,108,779/x
3. Step 3: Cross multiply
   103,162,663.72x = 142,365,649.98 × 59,108,779
4. Step 4: Simplify right side
   103,162,663.72x = 8,415,059,741,859,174
5. Step 5: Solve for x
   x = 8,415,059,741,859,174/103,162,663.72
6. Step 6: Final answer
   x = 81,570,787.71