Finding the Fourth Proportional to 2,624.67, 3,934.88 and 980.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,624.67 : 3,934.88 = 980.98 : x
2. Step 2: Convert to fraction form
   2,624.67/3,934.88 = 980.98/x
3. Step 3: Cross multiply
   2,624.67x = 3,934.88 × 980.98
4. Step 4: Simplify right side
   2,624.67x = 3,860,027.52
5. Step 5: Solve for x
   x = 3,860,027.52/2,624.67
6. Step 6: Final answer
   x = 1,470.67