Finding the Fourth Proportional to 81,552.35, 112,542.17 and 45,742.05

Step by Step Solution

1. Step 1: Write the proportion equation
   81,552.35 : 112,542.17 = 45,742.05 : x
2. Step 2: Convert to fraction form
   81,552.35/112,542.17 = 45,742.05/x
3. Step 3: Cross multiply
   81,552.35x = 112,542.17 × 45,742.05
4. Step 4: Simplify right side
   81,552.35x = 5,147,909,338.54
5. Step 5: Solve for x
   x = 5,147,909,338.54/81,552.35
6. Step 6: Final answer
   x = 63,123.98