Finding the Fourth Proportional to 62,345.32, 86,004.42 and 42,203.08

Step by Step Solution

1. Step 1: Write the proportion equation
   62,345.32 : 86,004.42 = 42,203.08 : x
2. Step 2: Convert to fraction form
   62,345.32/86,004.42 = 42,203.08/x
3. Step 3: Cross multiply
   62,345.32x = 86,004.42 × 42,203.08
4. Step 4: Simplify right side
   62,345.32x = 3,629,651,417.61
5. Step 5: Solve for x
   x = 3,629,651,417.61/62,345.32
6. Step 6: Final answer
   x = 58,218.51