Finding the Fourth Proportional to 2,538.06, 3,502.30 and 1,418.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,538.06 : 3,502.30 = 1,418.86 : x
2. Step 2: Convert to fraction form
   2,538.06/3,502.30 = 1,418.86/x
3. Step 3: Cross multiply
   2,538.06x = 3,502.30 × 1,418.86
4. Step 4: Simplify right side
   2,538.06x = 4,969,273.38
5. Step 5: Solve for x
   x = 4,969,273.38/2,538.06
6. Step 6: Final answer
   x = 1,957.90