Finding the Fourth Proportional to 42,309.75, 58,387.86 and 23,447.28

Step by Step Solution

1. Step 1: Write the proportion equation
   42,309.75 : 58,387.86 = 23,447.28 : x
2. Step 2: Convert to fraction form
   42,309.75/58,387.86 = 23,447.28/x
3. Step 3: Cross multiply
   42,309.75x = 58,387.86 × 23,447.28
4. Step 4: Simplify right side
   42,309.75x = 1,369,036,502.02
5. Step 5: Solve for x
   x = 1,369,036,502.02/42,309.75
6. Step 6: Final answer
   x = 32,357.47