Finding the Fourth Proportional to 2,566.86, 3,847.59 and 1,248.66

Step by Step Solution

1. Step 1: Write the proportion equation
   2,566.86 : 3,847.59 = 1,248.66 : x
2. Step 2: Convert to fraction form
   2,566.86/3,847.59 = 1,248.66/x
3. Step 3: Cross multiply
   2,566.86x = 3,847.59 × 1,248.66
4. Step 4: Simplify right side
   2,566.86x = 4,804,331.73
5. Step 5: Solve for x
   x = 4,804,331.73/2,566.86
6. Step 6: Final answer
   x = 1,871.68