Finding the Fourth Proportional to 1,870.52, 2,805.46 and 554.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.52 : 2,805.46 = 554.24 : x
2. Step 2: Convert to fraction form
   1,870.52/2,805.46 = 554.24/x
3. Step 3: Cross multiply
   1,870.52x = 2,805.46 × 554.24
4. Step 4: Simplify right side
   1,870.52x = 1,554,895.38
5. Step 5: Solve for x
   x = 1,554,895.38/1,870.52
6. Step 6: Final answer
   x = 831.27