Finding the Fourth Proportional to 62,700.43, 86,638.71 and 46,632.64

Step by Step Solution

1. Step 1: Write the proportion equation
   62,700.43 : 86,638.71 = 46,632.64 : x
2. Step 2: Convert to fraction form
   62,700.43/86,638.71 = 46,632.64/x
3. Step 3: Cross multiply
   62,700.43x = 86,638.71 × 46,632.64
4. Step 4: Simplify right side
   62,700.43x = 4,040,191,773.49
5. Step 5: Solve for x
   x = 4,040,191,773.49/62,700.43
6. Step 6: Final answer
   x = 64,436.43