Finding the Fourth Proportional to 2,981.08, 4,471.28 and 789.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,981.08 : 4,471.28 = 789.98 : x
2. Step 2: Convert to fraction form
   2,981.08/4,471.28 = 789.98/x
3. Step 3: Cross multiply
   2,981.08x = 4,471.28 × 789.98
4. Step 4: Simplify right side
   2,981.08x = 3,532,221.77
5. Step 5: Solve for x
   x = 3,532,221.77/2,981.08
6. Step 6: Final answer
   x = 1,184.88