Finding the Fourth Proportional to 1,174.72, 1,762.24 and 404.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,174.72 : 1,762.24 = 404.96 : x
2. Step 2: Convert to fraction form
   1,174.72/1,762.24 = 404.96/x
3. Step 3: Cross multiply
   1,174.72x = 1,762.24 × 404.96
4. Step 4: Simplify right side
   1,174.72x = 713,636.71
5. Step 5: Solve for x
   x = 713,636.71/1,174.72
6. Step 6: Final answer
   x = 607.50