Finding the Fourth Proportional to 1,851.88, 2,554.17 and 1,292.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,851.88 : 2,554.17 = 1,292.17 : x
2. Step 2: Convert to fraction form
   1,851.88/2,554.17 = 1,292.17/x
3. Step 3: Cross multiply
   1,851.88x = 2,554.17 × 1,292.17
4. Step 4: Simplify right side
   1,851.88x = 3,300,421.85
5. Step 5: Solve for x
   x = 3,300,421.85/1,851.88
6. Step 6: Final answer
   x = 1,782.20