Finding the Fourth Proportional to 57,604, 79,493.52 and 31,108

Step by Step Solution

1. Step 1: Write the proportion equation
   57,604 : 79,493.52 = 31,108 : x
2. Step 2: Convert to fraction form
   57,604/79,493.52 = 31,108/x
3. Step 3: Cross multiply
   57,604x = 79,493.52 × 31,108
4. Step 4: Simplify right side
   57,604x = 2,472,884,420.16
5. Step 5: Solve for x
   x = 2,472,884,420.16/57,604
6. Step 6: Final answer
   x = 42,929.04