Finding the Fourth Proportional to 82,131.56, 113,341.57 and 45,337.80

Step by Step Solution

1. Step 1: Write the proportion equation
   82,131.56 : 113,341.57 = 45,337.80 : x
2. Step 2: Convert to fraction form
   82,131.56/113,341.57 = 45,337.80/x
3. Step 3: Cross multiply
   82,131.56x = 113,341.57 × 45,337.80
4. Step 4: Simplify right side
   82,131.56x = 5,138,657,432.35
5. Step 5: Solve for x
   x = 5,138,657,432.35/82,131.56
6. Step 6: Final answer
   x = 62,566.17