Finding the Fourth Proportional to 81,872.84, 112,984.50 and 45,573.50

Step by Step Solution

1. Step 1: Write the proportion equation
   81,872.84 : 112,984.50 = 45,573.50 : x
2. Step 2: Convert to fraction form
   81,872.84/112,984.50 = 45,573.50/x
3. Step 3: Cross multiply
   81,872.84x = 112,984.50 × 45,573.50
4. Step 4: Simplify right side
   81,872.84x = 5,149,098,861.82
5. Step 5: Solve for x
   x = 5,149,098,861.82/81,872.84
6. Step 6: Final answer
   x = 62,891.41