Finding the Fourth Proportional to 1,097.75, 1,510.85 and 1,048.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,097.75 : 1,510.85 = 1,048.55 : x
2. Step 2: Convert to fraction form
   1,097.75/1,510.85 = 1,048.55/x
3. Step 3: Cross multiply
   1,097.75x = 1,510.85 × 1,048.55
4. Step 4: Simplify right side
   1,097.75x = 1,584,196.83
5. Step 5: Solve for x
   x = 1,584,196.83/1,097.75
6. Step 6: Final answer
   x = 1,443.13