Finding the Fourth Proportional to 81,498.38, 112,468.16 and 47,530.42

Step by Step Solution

1. Step 1: Write the proportion equation
   81,498.38 : 112,468.16 = 47,530.42 : x
2. Step 2: Convert to fraction form
   81,498.38/112,468.16 = 47,530.42/x
3. Step 3: Cross multiply
   81,498.38x = 112,468.16 × 47,530.42
4. Step 4: Simplify right side
   81,498.38x = 5,345,658,719.08
5. Step 5: Solve for x
   x = 5,345,658,719.08/81,498.38
6. Step 6: Final answer
   x = 65,592.21