Finding the Fourth Proportional to 81,527.30, 112,505.92 and 45,716.52

Step by Step Solution

1. Step 1: Write the proportion equation
   81,527.30 : 112,505.92 = 45,716.52 : x
2. Step 2: Convert to fraction form
   81,527.30/112,505.92 = 45,716.52/x
3. Step 3: Cross multiply
   81,527.30x = 112,505.92 × 45,716.52
4. Step 4: Simplify right side
   81,527.30x = 5,143,379,141.80
5. Step 5: Solve for x
   x = 5,143,379,141.80/81,527.30
6. Step 6: Final answer
   x = 63,087.81