Finding the Fourth Proportional to 5,665.86, 8,532.72 and 5,160.84

Step by Step Solution

1. Step 1: Write the proportion equation
   5,665.86 : 8,532.72 = 5,160.84 : x
2. Step 2: Convert to fraction form
   5,665.86/8,532.72 = 5,160.84/x
3. Step 3: Cross multiply
   5,665.86x = 8,532.72 × 5,160.84
4. Step 4: Simplify right side
   5,665.86x = 44,036,002.68
5. Step 5: Solve for x
   x = 44,036,002.68/5,665.86
6. Step 6: Final answer
   x = 7,772.17