Finding the Fourth Proportional to 1,851.49, 2,555.31 and 1,134.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,851.49 : 2,555.31 = 1,134.10 : x
2. Step 2: Convert to fraction form
   1,851.49/2,555.31 = 1,134.10/x
3. Step 3: Cross multiply
   1,851.49x = 2,555.31 × 1,134.10
4. Step 4: Simplify right side
   1,851.49x = 2,897,974.94
5. Step 5: Solve for x
   x = 2,897,974.94/1,851.49
6. Step 6: Final answer
   x = 1,565.21