Finding the Fourth Proportional to 74,885.72, 112,354.50 and 50,025.56

Step by Step Solution

1. Step 1: Write the proportion equation
   74,885.72 : 112,354.50 = 50,025.56 : x
2. Step 2: Convert to fraction form
   74,885.72/112,354.50 = 50,025.56/x
3. Step 3: Cross multiply
   74,885.72x = 112,354.50 × 50,025.56
4. Step 4: Simplify right side
   74,885.72x = 5,620,596,781.02
5. Step 5: Solve for x
   x = 5,620,596,781.02/74,885.72
6. Step 6: Final answer
   x = 75,055.66