Finding the Fourth Proportional to 1,868.52, 2,804.12 and 1,253.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,868.52 : 2,804.12 = 1,253.40 : x
2. Step 2: Convert to fraction form
   1,868.52/2,804.12 = 1,253.40/x
3. Step 3: Cross multiply
   1,868.52x = 2,804.12 × 1,253.40
4. Step 4: Simplify right side
   1,868.52x = 3,514,684.01
5. Step 5: Solve for x
   x = 3,514,684.01/1,868.52
6. Step 6: Final answer
   x = 1,881.00