Finding the Fourth Proportional to 103,615,994.27, 143,002,610.69 and 58,972,820.72

Step by Step Solution

1. Step 1: Write the proportion equation
   103,615,994.27 : 143,002,610.69 = 58,972,820.72 : x
2. Step 2: Convert to fraction form
   103,615,994.27/143,002,610.69 = 58,972,820.72/x
3. Step 3: Cross multiply
   103,615,994.27x = 143,002,610.69 × 58,972,820.72
4. Step 4: Simplify right side
   103,615,994.27x = 8,433,267,322,118,029
5. Step 5: Solve for x
   x = 8,433,267,322,118,029/103,615,994.27
6. Step 6: Final answer
   x = 81,389,628.91