Finding the Fourth Proportional to 31,049.21, 42,766.29 and 23,865.39

Step by Step Solution

1. Step 1: Write the proportion equation
   31,049.21 : 42,766.29 = 23,865.39 : x
2. Step 2: Convert to fraction form
   31,049.21/42,766.29 = 23,865.39/x
3. Step 3: Cross multiply
   31,049.21x = 42,766.29 × 23,865.39
4. Step 4: Simplify right side
   31,049.21x = 1,020,634,189.70
5. Step 5: Solve for x
   x = 1,020,634,189.70/31,049.21
6. Step 6: Final answer
   x = 32,871.50