Finding the Fourth Proportional to 103,615,978.14, 143,002,588.77 and 58,972,805.15

Step by Step Solution

1. Step 1: Write the proportion equation
   103,615,978.14 : 143,002,588.77 = 58,972,805.15 : x
2. Step 2: Convert to fraction form
   103,615,978.14/143,002,588.77 = 58,972,805.15/x
3. Step 3: Cross multiply
   103,615,978.14x = 143,002,588.77 × 58,972,805.15
4. Step 4: Simplify right side
   103,615,978.14x = 8,433,263,802,763,776
5. Step 5: Solve for x
   x = 8,433,263,802,763,776/103,615,978.14
6. Step 6: Final answer
   x = 81,389,607.61