Finding the Fourth Proportional to 57,304, 79,031.76 and 39,370.24

Step by Step Solution

1. Step 1: Write the proportion equation
   57,304 : 79,031.76 = 39,370.24 : x
2. Step 2: Convert to fraction form
   57,304/79,031.76 = 39,370.24/x
3. Step 3: Cross multiply
   57,304x = 79,031.76 × 39,370.24
4. Step 4: Simplify right side
   57,304x = 3,111,499,358.82
5. Step 5: Solve for x
   x = 3,111,499,358.82/57,304
6. Step 6: Final answer
   x = 54,298.12