Finding the Fourth Proportional to 62,356.32, 86,019.60 and 42,214.08

Step by Step Solution

1. Step 1: Write the proportion equation
   62,356.32 : 86,019.60 = 42,214.08 : x
2. Step 2: Convert to fraction form
   62,356.32/86,019.60 = 42,214.08/x
3. Step 3: Cross multiply
   62,356.32x = 86,019.60 × 42,214.08
4. Step 4: Simplify right side
   62,356.32x = 3,631,238,275.97
5. Step 5: Solve for x
   x = 3,631,238,275.97/62,356.32
6. Step 6: Final answer
   x = 58,233.68