Finding the Fourth Proportional to 31,461.50, 47,215.82 and 19,632.55

Step by Step Solution

1. Step 1: Write the proportion equation
   31,461.50 : 47,215.82 = 19,632.55 : x
2. Step 2: Convert to fraction form
   31,461.50/47,215.82 = 19,632.55/x
3. Step 3: Cross multiply
   31,461.50x = 47,215.82 × 19,632.55
4. Step 4: Simplify right side
   31,461.50x = 926,966,946.94
5. Step 5: Solve for x
   x = 926,966,946.94/31,461.50
6. Step 6: Final answer
   x = 29,463.53