Finding the Fourth Proportional to 1,477.79, 2,040.39 and 981.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,477.79 : 2,040.39 = 981.46 : x
2. Step 2: Convert to fraction form
   1,477.79/2,040.39 = 981.46/x
3. Step 3: Cross multiply
   1,477.79x = 2,040.39 × 981.46
4. Step 4: Simplify right side
   1,477.79x = 2,002,563.72
5. Step 5: Solve for x
   x = 2,002,563.72/1,477.79
6. Step 6: Final answer
   x = 1,355.11