Finding the Fourth Proportional to 3,642.86, 5,460.18 and 1,449.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,642.86 : 5,460.18 = 1,449.02 : x
2. Step 2: Convert to fraction form
   3,642.86/5,460.18 = 1,449.02/x
3. Step 3: Cross multiply
   3,642.86x = 5,460.18 × 1,449.02
4. Step 4: Simplify right side
   3,642.86x = 7,911,882.72
5. Step 5: Solve for x
   x = 7,911,882.72/3,642.86
6. Step 6: Final answer
   x = 2,171.89