Finding the Fourth Proportional to 1,959.50, 2,704.11 and 1,131.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,959.50 : 2,704.11 = 1,131.50 : x
2. Step 2: Convert to fraction form
   1,959.50/2,704.11 = 1,131.50/x
3. Step 3: Cross multiply
   1,959.50x = 2,704.11 × 1,131.50
4. Step 4: Simplify right side
   1,959.50x = 3,059,700.47
5. Step 5: Solve for x
   x = 3,059,700.47/1,959.50
6. Step 6: Final answer
   x = 1,561.47