Finding the Fourth Proportional to 1,478.71, 2,041.37 and 981.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,478.71 : 2,041.37 = 981.10 : x
2. Step 2: Convert to fraction form
   1,478.71/2,041.37 = 981.10/x
3. Step 3: Cross multiply
   1,478.71x = 2,041.37 × 981.10
4. Step 4: Simplify right side
   1,478.71x = 2,002,788.11
5. Step 5: Solve for x
   x = 2,002,788.11/1,478.71
6. Step 6: Final answer
   x = 1,354.42