Finding the Fourth Proportional to 81,536.52, 112,416.24 and 52,805.42

Step by Step Solution

1. Step 1: Write the proportion equation
   81,536.52 : 112,416.24 = 52,805.42 : x
2. Step 2: Convert to fraction form
   81,536.52/112,416.24 = 52,805.42/x
3. Step 3: Cross multiply
   81,536.52x = 112,416.24 × 52,805.42
4. Step 4: Simplify right side
   81,536.52x = 5,936,185,941.91
5. Step 5: Solve for x
   x = 5,936,185,941.91/81,536.52
6. Step 6: Final answer
   x = 72,804.01