Finding the Fourth Proportional to 42,232.78, 58,304.37 and 28,824.04

Step by Step Solution

1. Step 1: Write the proportion equation
   42,232.78 : 58,304.37 = 28,824.04 : x
2. Step 2: Convert to fraction form
   42,232.78/58,304.37 = 28,824.04/x
3. Step 3: Cross multiply
   42,232.78x = 58,304.37 × 28,824.04
4. Step 4: Simplify right side
   42,232.78x = 1,680,567,493.05
5. Step 5: Solve for x
   x = 1,680,567,493.05/42,232.78
6. Step 6: Final answer
   x = 39,792.96