Finding the Fourth Proportional to 1,763.98, 2,433.11 and 1,055.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,763.98 : 2,433.11 = 1,055.30 : x
2. Step 2: Convert to fraction form
   1,763.98/2,433.11 = 1,055.30/x
3. Step 3: Cross multiply
   1,763.98x = 2,433.11 × 1,055.30
4. Step 4: Simplify right side
   1,763.98x = 2,567,643.54
5. Step 5: Solve for x
   x = 2,567,643.54/1,763.98
6. Step 6: Final answer
   x = 1,455.60