Finding the Fourth Proportional to 15,429.48, 23,139.43 and 5,567.48

Step by Step Solution

1. Step 1: Write the proportion equation
   15,429.48 : 23,139.43 = 5,567.48 : x
2. Step 2: Convert to fraction form
   15,429.48/23,139.43 = 5,567.48/x
3. Step 3: Cross multiply
   15,429.48x = 23,139.43 × 5,567.48
4. Step 4: Simplify right side
   15,429.48x = 128,828,170.20
5. Step 5: Solve for x
   x = 128,828,170.20/15,429.48
6. Step 6: Final answer
   x = 8,349.48