Finding the Fourth Proportional to 22,815.00, 34,139.24 and 13,459.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,815.00 : 34,139.24 = 13,459.50 : x
2. Step 2: Convert to fraction form
   22,815.00/34,139.24 = 13,459.50/x
3. Step 3: Cross multiply
   22,815.00x = 34,139.24 × 13,459.50
4. Step 4: Simplify right side
   22,815.00x = 459,497,262.45
5. Step 5: Solve for x
   x = 459,497,262.45/22,815.00
6. Step 6: Final answer
   x = 20,140.14