Finding the Fourth Proportional to 62,437.20, 86,105.58 and 42,323.28

Step by Step Solution

1. Step 1: Write the proportion equation
   62,437.20 : 86,105.58 = 42,323.28 : x
2. Step 2: Convert to fraction form
   62,437.20/86,105.58 = 42,323.28/x
3. Step 3: Cross multiply
   62,437.20x = 86,105.58 × 42,323.28
4. Step 4: Simplify right side
   62,437.20x = 3,644,270,571.90
5. Step 5: Solve for x
   x = 3,644,270,571.90/62,437.20
6. Step 6: Final answer
   x = 58,366.98