Finding the Fourth Proportional to 42,118.16, 58,120.20 and 23,251.28

Step by Step Solution

1. Step 1: Write the proportion equation
   42,118.16 : 58,120.20 = 23,251.28 : x
2. Step 2: Convert to fraction form
   42,118.16/58,120.20 = 23,251.28/x
3. Step 3: Cross multiply
   42,118.16x = 58,120.20 × 23,251.28
4. Step 4: Simplify right side
   42,118.16x = 1,351,369,043.86
5. Step 5: Solve for x
   x = 1,351,369,043.86/42,118.16
6. Step 6: Final answer
   x = 32,085.19