Finding the Fourth Proportional to 1,037.30, 1,554.72 and 550.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,037.30 : 1,554.72 = 550.10 : x
2. Step 2: Convert to fraction form
   1,037.30/1,554.72 = 550.10/x
3. Step 3: Cross multiply
   1,037.30x = 1,554.72 × 550.10
4. Step 4: Simplify right side
   1,037.30x = 855,251.47
5. Step 5: Solve for x
   x = 855,251.47/1,037.30
6. Step 6: Final answer
   x = 824.50