Finding the Fourth Proportional to 62,615.28, 86,405.86 and 34,315.50

Step by Step Solution

1. Step 1: Write the proportion equation
   62,615.28 : 86,405.86 = 34,315.50 : x
2. Step 2: Convert to fraction form
   62,615.28/86,405.86 = 34,315.50/x
3. Step 3: Cross multiply
   62,615.28x = 86,405.86 × 34,315.50
4. Step 4: Simplify right side
   62,615.28x = 2,965,060,288.83
5. Step 5: Solve for x
   x = 2,965,060,288.83/62,615.28
6. Step 6: Final answer
   x = 47,353.62