Finding the Fourth Proportional to 2,210.72, 3,051 and 1,326.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,210.72 : 3,051 = 1,326.56 : x
2. Step 2: Convert to fraction form
   2,210.72/3,051 = 1,326.56/x
3. Step 3: Cross multiply
   2,210.72x = 3,051 × 1,326.56
4. Step 4: Simplify right side
   2,210.72x = 4,047,334.56
5. Step 5: Solve for x
   x = 4,047,334.56/2,210.72
6. Step 6: Final answer
   x = 1,830.78