Finding the Fourth Proportional to 23,474.61, 35,002.50 and 20,866.61

Step by Step Solution

1. Step 1: Write the proportion equation
   23,474.61 : 35,002.50 = 20,866.61 : x
2. Step 2: Convert to fraction form
   23,474.61/35,002.50 = 20,866.61/x
3. Step 3: Cross multiply
   23,474.61x = 35,002.50 × 20,866.61
4. Step 4: Simplify right side
   23,474.61x = 730,383,525.78
5. Step 5: Solve for x
   x = 730,383,525.78/23,474.61
6. Step 6: Final answer
   x = 31,113.77