Finding the Fourth Proportional to 62,931.27, 86,847.62 and 34,639.59

Step by Step Solution

1. Step 1: Write the proportion equation
   62,931.27 : 86,847.62 = 34,639.59 : x
2. Step 2: Convert to fraction form
   62,931.27/86,847.62 = 34,639.59/x
3. Step 3: Cross multiply
   62,931.27x = 86,847.62 × 34,639.59
4. Step 4: Simplify right side
   62,931.27x = 3,008,365,776.08
5. Step 5: Solve for x
   x = 3,008,365,776.08/62,931.27
6. Step 6: Final answer
   x = 47,803.99