Finding the Fourth Proportional to 1,437.64, 1,983.42 and 940.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,437.64 : 1,983.42 = 940.56 : x
2. Step 2: Convert to fraction form
   1,437.64/1,983.42 = 940.56/x
3. Step 3: Cross multiply
   1,437.64x = 1,983.42 × 940.56
4. Step 4: Simplify right side
   1,437.64x = 1,865,525.52
5. Step 5: Solve for x
   x = 1,865,525.52/1,437.64
6. Step 6: Final answer
   x = 1,297.63