Finding the Fourth Proportional to 15,519.34, 23,282.69 and 4,426.18

Step by Step Solution

1. Step 1: Write the proportion equation
   15,519.34 : 23,282.69 = 4,426.18 : x
2. Step 2: Convert to fraction form
   15,519.34/23,282.69 = 4,426.18/x
3. Step 3: Cross multiply
   15,519.34x = 23,282.69 × 4,426.18
4. Step 4: Simplify right side
   15,519.34x = 103,053,376.82
5. Step 5: Solve for x
   x = 103,053,376.82/15,519.34
6. Step 6: Final answer
   x = 6,640.32