Finding the Fourth Proportional to 82,540,747.98, 113,931,617.38 and 53,171,989.72

Step by Step Solution

1. Step 1: Write the proportion equation
   82,540,747.98 : 113,931,617.38 = 53,171,989.72 : x
2. Step 2: Convert to fraction form
   82,540,747.98/113,931,617.38 = 53,171,989.72/x
3. Step 3: Cross multiply
   82,540,747.98x = 113,931,617.38 × 53,171,989.72
4. Step 4: Simplify right side
   82,540,747.98x = 6,057,970,787,694,574
5. Step 5: Solve for x
   x = 6,057,970,787,694,574/82,540,747.98
6. Step 6: Final answer
   x = 73,393,698.70