Finding the Fourth Proportional to 23,081.87, 31,853.00 and 12,471.50

Step by Step Solution

1. Step 1: Write the proportion equation
   23,081.87 : 31,853.00 = 12,471.50 : x
2. Step 2: Convert to fraction form
   23,081.87/31,853.00 = 12,471.50/x
3. Step 3: Cross multiply
   23,081.87x = 31,853.00 × 12,471.50
4. Step 4: Simplify right side
   23,081.87x = 397,254,737.95
5. Step 5: Solve for x
   x = 397,254,737.95/23,081.87
6. Step 6: Final answer
   x = 17,210.68