Finding the Fourth Proportional to 2,196.06, 3,030.21 and 1,251.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.06 : 3,030.21 = 1,251.78 : x
2. Step 2: Convert to fraction form
   2,196.06/3,030.21 = 1,251.78/x
3. Step 3: Cross multiply
   2,196.06x = 3,030.21 × 1,251.78
4. Step 4: Simplify right side
   2,196.06x = 3,793,156.27
5. Step 5: Solve for x
   x = 3,793,156.27/2,196.06
6. Step 6: Final answer
   x = 1,727.26