Finding the Fourth Proportional to 1,781.50, 2,452.65 and 1,548.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,781.50 : 2,452.65 = 1,548.55 : x
2. Step 2: Convert to fraction form
   1,781.50/2,452.65 = 1,548.55/x
3. Step 3: Cross multiply
   1,781.50x = 2,452.65 × 1,548.55
4. Step 4: Simplify right side
   1,781.50x = 3,798,051.16
5. Step 5: Solve for x
   x = 3,798,051.16/1,781.50
6. Step 6: Final answer
   x = 2,131.94