Finding the Fourth Proportional to 2,577.80, 3,865.89 and 1,482.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,577.80 : 3,865.89 = 1,482.68 : x
2. Step 2: Convert to fraction form
   2,577.80/3,865.89 = 1,482.68/x
3. Step 3: Cross multiply
   2,577.80x = 3,865.89 × 1,482.68
4. Step 4: Simplify right side
   2,577.80x = 5,731,877.79
5. Step 5: Solve for x
   x = 5,731,877.79/2,577.80
6. Step 6: Final answer
   x = 2,223.55