Finding the Fourth Proportional to 2,542.29, 3,812.59 and 981.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,542.29 : 3,812.59 = 981.10 : x
2. Step 2: Convert to fraction form
   2,542.29/3,812.59 = 981.10/x
3. Step 3: Cross multiply
   2,542.29x = 3,812.59 × 981.10
4. Step 4: Simplify right side
   2,542.29x = 3,740,532.05
5. Step 5: Solve for x
   x = 3,740,532.05/2,542.29
6. Step 6: Final answer
   x = 1,471.32