Finding the Fourth Proportional to 1,925.28, 2,655.72 and 1,227.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,925.28 : 2,655.72 = 1,227.06 : x
2. Step 2: Convert to fraction form
   1,925.28/2,655.72 = 1,227.06/x
3. Step 3: Cross multiply
   1,925.28x = 2,655.72 × 1,227.06
4. Step 4: Simplify right side
   1,925.28x = 3,258,727.78
5. Step 5: Solve for x
   x = 3,258,727.78/1,925.28
6. Step 6: Final answer
   x = 1,692.60