Finding the Fourth Proportional to 3,060.56, 4,590.74 and 980.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,060.56 : 4,590.74 = 980.69 : x
2. Step 2: Convert to fraction form
   3,060.56/4,590.74 = 980.69/x
3. Step 3: Cross multiply
   3,060.56x = 4,590.74 × 980.69
4. Step 4: Simplify right side
   3,060.56x = 4,502,072.31
5. Step 5: Solve for x
   x = 4,502,072.31/3,060.56
6. Step 6: Final answer
   x = 1,471.00