Finding the Fourth Proportional to 103,615,997.69, 143,002,615.82 and 58,972,824.72

Step by Step Solution

1. Step 1: Write the proportion equation
   103,615,997.69 : 143,002,615.82 = 58,972,824.72 : x
2. Step 2: Convert to fraction form
   103,615,997.69/143,002,615.82 = 58,972,824.72/x
3. Step 3: Cross multiply
   103,615,997.69x = 143,002,615.82 × 58,972,824.72
4. Step 4: Simplify right side
   103,615,997.69x = 8,433,268,196,959,495
5. Step 5: Solve for x
   x = 8,433,268,196,959,495/103,615,997.69
6. Step 6: Final answer
   x = 81,389,634.66