Finding the Fourth Proportional to 2,225.72, 3,071.34 and 1,294.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,225.72 : 3,071.34 = 1,294.04 : x
2. Step 2: Convert to fraction form
   2,225.72/3,071.34 = 1,294.04/x
3. Step 3: Cross multiply
   2,225.72x = 3,071.34 × 1,294.04
4. Step 4: Simplify right side
   2,225.72x = 3,974,436.81
5. Step 5: Solve for x
   x = 3,974,436.81/2,225.72
6. Step 6: Final answer
   x = 1,785.69