Finding the Fourth Proportional to 2,549.67, 3,518.21 and 1,487.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,549.67 : 3,518.21 = 1,487.78 : x
2. Step 2: Convert to fraction form
   2,549.67/3,518.21 = 1,487.78/x
3. Step 3: Cross multiply
   2,549.67x = 3,518.21 × 1,487.78
4. Step 4: Simplify right side
   2,549.67x = 5,234,322.47
5. Step 5: Solve for x
   x = 5,234,322.47/2,549.67
6. Step 6: Final answer
   x = 2,052.94