Finding the Fourth Proportional to 103,162,662.72, 142,365,648.60 and 59,108,778

Step by Step Solution

1. Step 1: Write the proportion equation
   103,162,662.72 : 142,365,648.60 = 59,108,778 : x
2. Step 2: Convert to fraction form
   103,162,662.72/142,365,648.60 = 59,108,778/x
3. Step 3: Cross multiply
   103,162,662.72x = 142,365,648.60 × 59,108,778
4. Step 4: Simplify right side
   103,162,662.72x = 8,415,059,517,923,410
5. Step 5: Solve for x
   x = 8,415,059,517,923,410/103,162,662.72
6. Step 6: Final answer
   x = 81,570,786.33