Finding the Fourth Proportional to 1,472.27, 2,194.06 and 1,427.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,472.27 : 2,194.06 = 1,427.77 : x
2. Step 2: Convert to fraction form
   1,472.27/2,194.06 = 1,427.77/x
3. Step 3: Cross multiply
   1,472.27x = 2,194.06 × 1,427.77
4. Step 4: Simplify right side
   1,472.27x = 3,132,613.05
5. Step 5: Solve for x
   x = 3,132,613.05/1,472.27
6. Step 6: Final answer
   x = 2,127.74