Finding the Fourth Proportional to 2,218.72, 3,059.76 and 1,334.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,218.72 : 3,059.76 = 1,334.08 : x
2. Step 2: Convert to fraction form
   2,218.72/3,059.76 = 1,334.08/x
3. Step 3: Cross multiply
   2,218.72x = 3,059.76 × 1,334.08
4. Step 4: Simplify right side
   2,218.72x = 4,081,964.62
5. Step 5: Solve for x
   x = 4,081,964.62/2,218.72
6. Step 6: Final answer
   x = 1,839.78