Finding the Fourth Proportional to 15,429.69, 23,139.77 and 5,567.69

Step by Step Solution

1. Step 1: Write the proportion equation
   15,429.69 : 23,139.77 = 5,567.69 : x
2. Step 2: Convert to fraction form
   15,429.69/23,139.77 = 5,567.69/x
3. Step 3: Cross multiply
   15,429.69x = 23,139.77 × 5,567.69
4. Step 4: Simplify right side
   15,429.69x = 128,835,096.04
5. Step 5: Solve for x
   x = 128,835,096.04/15,429.69
6. Step 6: Final answer
   x = 8,349.82