Finding the Fourth Proportional to 42,390.04, 58,491.42 and 24,482.20

Step by Step Solution

1. Step 1: Write the proportion equation
   42,390.04 : 58,491.42 = 24,482.20 : x
2. Step 2: Convert to fraction form
   42,390.04/58,491.42 = 24,482.20/x
3. Step 3: Cross multiply
   42,390.04x = 58,491.42 × 24,482.20
4. Step 4: Simplify right side
   42,390.04x = 1,431,998,642.72
5. Step 5: Solve for x
   x = 1,431,998,642.72/42,390.04
6. Step 6: Final answer
   x = 33,781.49