Finding the Fourth Proportional to 3,446.79, 5,168.61 and 981.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,446.79 : 5,168.61 = 981.02 : x
2. Step 2: Convert to fraction form
   3,446.79/5,168.61 = 981.02/x
3. Step 3: Cross multiply
   3,446.79x = 5,168.61 × 981.02
4. Step 4: Simplify right side
   3,446.79x = 5,070,483.94
5. Step 5: Solve for x
   x = 5,070,483.94/3,446.79
6. Step 6: Final answer
   x = 1,471.07