Finding the Fourth Proportional to 81,517.62, 112,492.89 and 45,707.52

Step by Step Solution

1. Step 1: Write the proportion equation
   81,517.62 : 112,492.89 = 45,707.52 : x
2. Step 2: Convert to fraction form
   81,517.62/112,492.89 = 45,707.52/x
3. Step 3: Cross multiply
   81,517.62x = 112,492.89 × 45,707.52
4. Step 4: Simplify right side
   81,517.62x = 5,141,771,019.53
5. Step 5: Solve for x
   x = 5,141,771,019.53/81,517.62
6. Step 6: Final answer
   x = 63,075.58