Finding the Fourth Proportional to 82,540,748.98, 113,931,618.76 and 53,171,990.72

Step by Step Solution

1. Step 1: Write the proportion equation
   82,540,748.98 : 113,931,618.76 = 53,171,990.72 : x
2. Step 2: Convert to fraction form
   82,540,748.98/113,931,618.76 = 53,171,990.72/x
3. Step 3: Cross multiply
   82,540,748.98x = 113,931,618.76 × 53,171,990.72
4. Step 4: Simplify right side
   82,540,748.98x = 6,057,970,975,421,298
5. Step 5: Solve for x
   x = 6,057,970,975,421,298/82,540,748.98
6. Step 6: Final answer
   x = 73,393,700.08