Finding the Fourth Proportional to 16,470.83, 22,710.93 and 13,113.78

Step by Step Solution

1. Step 1: Write the proportion equation
   16,470.83 : 22,710.93 = 13,113.78 : x
2. Step 2: Convert to fraction form
   16,470.83/22,710.93 = 13,113.78/x
3. Step 3: Cross multiply
   16,470.83x = 22,710.93 × 13,113.78
4. Step 4: Simplify right side
   16,470.83x = 297,826,139.62
5. Step 5: Solve for x
   x = 297,826,139.62/16,470.83
6. Step 6: Final answer
   x = 18,082.04