Finding the Fourth Proportional to 2,333.50, 3,220.20 and 1,338.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,333.50 : 3,220.20 = 1,338.76 : x
2. Step 2: Convert to fraction form
   2,333.50/3,220.20 = 1,338.76/x
3. Step 3: Cross multiply
   2,333.50x = 3,220.20 × 1,338.76
4. Step 4: Simplify right side
   2,333.50x = 4,311,074.95
5. Step 5: Solve for x
   x = 4,311,074.95/2,333.50
6. Step 6: Final answer
   x = 1,847.47