Finding the Fourth Proportional to 81,348.52, 112,248.03 and 45,540.04

Step by Step Solution

1. Step 1: Write the proportion equation
   81,348.52 : 112,248.03 = 45,540.04 : x
2. Step 2: Convert to fraction form
   81,348.52/112,248.03 = 45,540.04/x
3. Step 3: Cross multiply
   81,348.52x = 112,248.03 × 45,540.04
4. Step 4: Simplify right side
   81,348.52x = 5,111,779,776.12
5. Step 5: Solve for x
   x = 5,111,779,776.12/81,348.52
6. Step 6: Final answer
   x = 62,838.02