Finding the Fourth Proportional to 82,118.32, 113,341.42 and 53,387.98

Step by Step Solution

1. Step 1: Write the proportion equation
   82,118.32 : 113,341.42 = 53,387.98 : x
2. Step 2: Convert to fraction form
   82,118.32/113,341.42 = 53,387.98/x
3. Step 3: Cross multiply
   82,118.32x = 113,341.42 × 53,387.98
4. Step 4: Simplify right side
   82,118.32x = 6,051,069,464.13
5. Step 5: Solve for x
   x = 6,051,069,464.13/82,118.32
6. Step 6: Final answer
   x = 73,687.20