Finding the Fourth Proportional to 1,135.49, 1,567.16 and 1,061.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,135.49 : 1,567.16 = 1,061.37 : x
2. Step 2: Convert to fraction form
   1,135.49/1,567.16 = 1,061.37/x
3. Step 3: Cross multiply
   1,135.49x = 1,567.16 × 1,061.37
4. Step 4: Simplify right side
   1,135.49x = 1,663,336.61
5. Step 5: Solve for x
   x = 1,663,336.61/1,135.49
6. Step 6: Final answer
   x = 1,464.86