Finding the Fourth Proportional to 56,304, 77,700.24 and 31,152.96

Step by Step Solution

1. Step 1: Write the proportion equation
   56,304 : 77,700.24 = 31,152.96 : x
2. Step 2: Convert to fraction form
   56,304/77,700.24 = 31,152.96/x
3. Step 3: Cross multiply
   56,304x = 77,700.24 × 31,152.96
4. Step 4: Simplify right side
   56,304x = 2,420,592,468.71
5. Step 5: Solve for x
   x = 2,420,592,468.71/56,304
6. Step 6: Final answer
   x = 42,991.48