Finding the Fourth Proportional to 15,391.86, 23,085.69 and 5,529.72

Step by Step Solution

1. Step 1: Write the proportion equation
   15,391.86 : 23,085.69 = 5,529.72 : x
2. Step 2: Convert to fraction form
   15,391.86/23,085.69 = 5,529.72/x
3. Step 3: Cross multiply
   15,391.86x = 23,085.69 × 5,529.72
4. Step 4: Simplify right side
   15,391.86x = 127,657,401.71
5. Step 5: Solve for x
   x = 127,657,401.71/15,391.86
6. Step 6: Final answer
   x = 8,293.83