Finding the Fourth Proportional to 1,927.55, 2,659.85 and 1,131.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,927.55 : 2,659.85 = 1,131.03 : x
2. Step 2: Convert to fraction form
   1,927.55/2,659.85 = 1,131.03/x
3. Step 3: Cross multiply
   1,927.55x = 2,659.85 × 1,131.03
4. Step 4: Simplify right side
   1,927.55x = 3,008,364.49
5. Step 5: Solve for x
   x = 3,008,364.49/1,927.55
6. Step 6: Final answer
   x = 1,560.72