Finding the Fourth Proportional to 42,188.10, 58,223.43 and 23,328.78

Step by Step Solution

1. Step 1: Write the proportion equation
   42,188.10 : 58,223.43 = 23,328.78 : x
2. Step 2: Convert to fraction form
   42,188.10/58,223.43 = 23,328.78/x
3. Step 3: Cross multiply
   42,188.10x = 58,223.43 × 23,328.78
4. Step 4: Simplify right side
   42,188.10x = 1,358,281,589.32
5. Step 5: Solve for x
   x = 1,358,281,589.32/42,188.10
6. Step 6: Final answer
   x = 32,195.85