Finding the Fourth Proportional to 81,575.10, 112,535.43 and 52,903.83

Step by Step Solution

1. Step 1: Write the proportion equation
   81,575.10 : 112,535.43 = 52,903.83 : x
2. Step 2: Convert to fraction form
   81,575.10/112,535.43 = 52,903.83/x
3. Step 3: Cross multiply
   81,575.10x = 112,535.43 × 52,903.83
4. Step 4: Simplify right side
   81,575.10x = 5,953,555,481.32
5. Step 5: Solve for x
   x = 5,953,555,481.32/81,575.10
6. Step 6: Final answer
   x = 72,982.51