Finding the Fourth Proportional to 82,540,749.98, 113,931,620.14 and 53,171,991.72

Step by Step Solution

1. Step 1: Write the proportion equation
   82,540,749.98 : 113,931,620.14 = 53,171,991.72 : x
2. Step 2: Convert to fraction form
   82,540,749.98/113,931,620.14 = 53,171,991.72/x
3. Step 3: Cross multiply
   82,540,749.98x = 113,931,620.14 × 53,171,991.72
4. Step 4: Simplify right side
   82,540,749.98x = 6,057,971,162,730,265
5. Step 5: Solve for x
   x = 6,057,971,162,730,265/82,540,749.98
6. Step 6: Final answer
   x = 73,393,701.47