Finding the Fourth Proportional to 42,168.64, 58,192.98 and 23,305.78

Step by Step Solution

1. Step 1: Write the proportion equation
   42,168.64 : 58,192.98 = 23,305.78 : x
2. Step 2: Convert to fraction form
   42,168.64/58,192.98 = 23,305.78/x
3. Step 3: Cross multiply
   42,168.64x = 58,192.98 × 23,305.78
4. Step 4: Simplify right side
   42,168.64x = 1,356,232,789.42
5. Step 5: Solve for x
   x = 1,356,232,789.42/42,168.64
6. Step 6: Final answer
   x = 32,162.12