Finding the Fourth Proportional to 1,050.65, 1,576.17 and 357.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,050.65 : 1,576.17 = 357.29 : x
2. Step 2: Convert to fraction form
   1,050.65/1,576.17 = 357.29/x
3. Step 3: Cross multiply
   1,050.65x = 1,576.17 × 357.29
4. Step 4: Simplify right side
   1,050.65x = 563,141.90
5. Step 5: Solve for x
   x = 563,141.90/1,050.65
6. Step 6: Final answer
   x = 536.00