Finding the Fourth Proportional to 1,464.72, 2,178.25 and 1,418.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,464.72 : 2,178.25 = 1,418.59 : x
2. Step 2: Convert to fraction form
   1,464.72/2,178.25 = 1,418.59/x
3. Step 3: Cross multiply
   1,464.72x = 2,178.25 × 1,418.59
4. Step 4: Simplify right side
   1,464.72x = 3,090,043.67
5. Step 5: Solve for x
   x = 3,090,043.67/1,464.72
6. Step 6: Final answer
   x = 2,109.65