Finding the Fourth Proportional to 31,766.50, 47,649.76 and 21,761.38

Step by Step Solution

1. Step 1: Write the proportion equation
   31,766.50 : 47,649.76 = 21,761.38 : x
2. Step 2: Convert to fraction form
   31,766.50/47,649.76 = 21,761.38/x
3. Step 3: Cross multiply
   31,766.50x = 47,649.76 × 21,761.38
4. Step 4: Simplify right side
   31,766.50x = 1,036,924,534.27
5. Step 5: Solve for x
   x = 1,036,924,534.27/31,766.50
6. Step 6: Final answer
   x = 32,642.08