Finding the Fourth Proportional to 1,137.52, 1,710.42 and 994.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,137.52 : 1,710.42 = 994.24 : x
2. Step 2: Convert to fraction form
   1,137.52/1,710.42 = 994.24/x
3. Step 3: Cross multiply
   1,137.52x = 1,710.42 × 994.24
4. Step 4: Simplify right side
   1,137.52x = 1,700,567.98
5. Step 5: Solve for x
   x = 1,700,567.98/1,137.52
6. Step 6: Final answer
   x = 1,494.98