Finding the Fourth Proportional to 12,565.53, 17,340.83 and 7,260.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,565.53 : 17,340.83 = 7,260.34 : x
2. Step 2: Convert to fraction form
   12,565.53/17,340.83 = 7,260.34/x
3. Step 3: Cross multiply
   12,565.53x = 17,340.83 × 7,260.34
4. Step 4: Simplify right side
   12,565.53x = 125,900,285.38
5. Step 5: Solve for x
   x = 125,900,285.38/12,565.53
6. Step 6: Final answer
   x = 10,019.50