Finding the Fourth Proportional to 42,288.51, 58,353.42 and 23,420.91

Step by Step Solution

1. Step 1: Write the proportion equation
   42,288.51 : 58,353.42 = 23,420.91 : x
2. Step 2: Convert to fraction form
   42,288.51/58,353.42 = 23,420.91/x
3. Step 3: Cross multiply
   42,288.51x = 58,353.42 × 23,420.91
4. Step 4: Simplify right side
   42,288.51x = 1,366,690,198.01
5. Step 5: Solve for x
   x = 1,366,690,198.01/42,288.51
6. Step 6: Final answer
   x = 32,318.24