Finding the Fourth Proportional to 42,242.86, 58,298.10 and 23,381.20

Step by Step Solution

1. Step 1: Write the proportion equation
   42,242.86 : 58,298.10 = 23,381.20 : x
2. Step 2: Convert to fraction form
   42,242.86/58,298.10 = 23,381.20/x
3. Step 3: Cross multiply
   42,242.86x = 58,298.10 × 23,381.20
4. Step 4: Simplify right side
   42,242.86x = 1,363,079,535.72
5. Step 5: Solve for x
   x = 1,363,079,535.72/42,242.86
6. Step 6: Final answer
   x = 32,267.69