Finding the Fourth Proportional to 81,702.42, 112,759.86 and 45,892.42

Step by Step Solution

1. Step 1: Write the proportion equation
   81,702.42 : 112,759.86 = 45,892.42 : x
2. Step 2: Convert to fraction form
   81,702.42/112,759.86 = 45,892.42/x
3. Step 3: Cross multiply
   81,702.42x = 112,759.86 × 45,892.42
4. Step 4: Simplify right side
   81,702.42x = 5,174,822,968.99
5. Step 5: Solve for x
   x = 5,174,822,968.99/81,702.42
6. Step 6: Final answer
   x = 63,337.45