Finding the Fourth Proportional to 62,470.64, 86,240.76 and 42,433.52

Step by Step Solution

1. Step 1: Write the proportion equation
   62,470.64 : 86,240.76 = 42,433.52 : x
2. Step 2: Convert to fraction form
   62,470.64/86,240.76 = 42,433.52/x
3. Step 3: Cross multiply
   62,470.64x = 86,240.76 × 42,433.52
4. Step 4: Simplify right side
   62,470.64x = 3,659,499,014.28
5. Step 5: Solve for x
   x = 3,659,499,014.28/62,470.64
6. Step 6: Final answer
   x = 58,579.50