Finding the Fourth Proportional to 2,391.72, 3,592.99 and 1,418.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,391.72 : 3,592.99 = 1,418.46 : x
2. Step 2: Convert to fraction form
   2,391.72/3,592.99 = 1,418.46/x
3. Step 3: Cross multiply
   2,391.72x = 3,592.99 × 1,418.46
4. Step 4: Simplify right side
   2,391.72x = 5,096,505.50
5. Step 5: Solve for x
   x = 5,096,505.50/2,391.72
6. Step 6: Final answer
   x = 2,130.90