Finding the Fourth Proportional to 74,753.92, 112,128.42 and 30,367.52

Step by Step Solution

1. Step 1: Write the proportion equation
   74,753.92 : 112,128.42 = 30,367.52 : x
2. Step 2: Convert to fraction form
   74,753.92/112,128.42 = 30,367.52/x
3. Step 3: Cross multiply
   74,753.92x = 112,128.42 × 30,367.52
4. Step 4: Simplify right side
   74,753.92x = 3,405,062,036.92
5. Step 5: Solve for x
   x = 3,405,062,036.92/74,753.92
6. Step 6: Final answer
   x = 45,550.28