Finding the Fourth Proportional to 1,106.30, 1,525.89 and 940.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,106.30 : 1,525.89 = 940.25 : x
2. Step 2: Convert to fraction form
   1,106.30/1,525.89 = 940.25/x
3. Step 3: Cross multiply
   1,106.30x = 1,525.89 × 940.25
4. Step 4: Simplify right side
   1,106.30x = 1,434,718.07
5. Step 5: Solve for x
   x = 1,434,718.07/1,106.30
6. Step 6: Final answer
   x = 1,296.86