Finding the Fourth Proportional to 5,665.86, 8,498.88 and 1,561.86

Step by Step Solution

1. Step 1: Write the proportion equation
   5,665.86 : 8,498.88 = 1,561.86 : x
2. Step 2: Convert to fraction form
   5,665.86/8,498.88 = 1,561.86/x
3. Step 3: Cross multiply
   5,665.86x = 8,498.88 × 1,561.86
4. Step 4: Simplify right side
   5,665.86x = 13,274,060.72
5. Step 5: Solve for x
   x = 13,274,060.72/5,665.86
6. Step 6: Final answer
   x = 2,342.81