Finding the Fourth Proportional to 2,474.76, 3,713.42 and 1,089.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,474.76 : 3,713.42 = 1,089.07 : x
2. Step 2: Convert to fraction form
   2,474.76/3,713.42 = 1,089.07/x
3. Step 3: Cross multiply
   2,474.76x = 3,713.42 × 1,089.07
4. Step 4: Simplify right side
   2,474.76x = 4,044,174.32
5. Step 5: Solve for x
   x = 4,044,174.32/2,474.76
6. Step 6: Final answer
   x = 1,634.17