Finding the Fourth Proportional to 2,719.29, 4,071.62 and 1,418.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,719.29 : 4,071.62 = 1,418.01 : x
2. Step 2: Convert to fraction form
   2,719.29/4,071.62 = 1,418.01/x
3. Step 3: Cross multiply
   2,719.29x = 4,071.62 × 1,418.01
4. Step 4: Simplify right side
   2,719.29x = 5,773,590.79
5. Step 5: Solve for x
   x = 5,773,590.79/2,719.29
6. Step 6: Final answer
   x = 2,123.20