Finding the Fourth Proportional to 1,131.18, 1,695.69 and 400.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131.18 : 1,695.69 = 400.37 : x
2. Step 2: Convert to fraction form
   1,131.18/1,695.69 = 400.37/x
3. Step 3: Cross multiply
   1,131.18x = 1,695.69 × 400.37
4. Step 4: Simplify right side
   1,131.18x = 678,894.93
5. Step 5: Solve for x
   x = 678,894.93/1,131.18
6. Step 6: Final answer
   x = 600.17