Finding the Fourth Proportional to 2,548.72, 3,517.73 and 1,486.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,548.72 : 3,517.73 = 1,486.61 : x
2. Step 2: Convert to fraction form
   2,548.72/3,517.73 = 1,486.61/x
3. Step 3: Cross multiply
   2,548.72x = 3,517.73 × 1,486.61
4. Step 4: Simplify right side
   2,548.72x = 5,229,492.60
5. Step 5: Solve for x
   x = 5,229,492.60/2,548.72
6. Step 6: Final answer
   x = 2,051.81