Finding the Fourth Proportional to 74,755.92, 112,131.42 and 30,369.52

Step by Step Solution

1. Step 1: Write the proportion equation
   74,755.92 : 112,131.42 = 30,369.52 : x
2. Step 2: Convert to fraction form
   74,755.92/112,131.42 = 30,369.52/x
3. Step 3: Cross multiply
   74,755.92x = 112,131.42 × 30,369.52
4. Step 4: Simplify right side
   74,755.92x = 3,405,377,402.32
5. Step 5: Solve for x
   x = 3,405,377,402.32/74,755.92
6. Step 6: Final answer
   x = 45,553.28