Finding the Fourth Proportional to 3,060.59, 4,591.18 and 980.07

Step by Step Solution

1. Step 1: Write the proportion equation
   3,060.59 : 4,591.18 = 980.07 : x
2. Step 2: Convert to fraction form
   3,060.59/4,591.18 = 980.07/x
3. Step 3: Cross multiply
   3,060.59x = 4,591.18 × 980.07
4. Step 4: Simplify right side
   3,060.59x = 4,499,677.78
5. Step 5: Solve for x
   x = 4,499,677.78/3,060.59
6. Step 6: Final answer
   x = 1,470.20