Finding the Fourth Proportional to 2,333.28, 3,220.56 and 1,506.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,333.28 : 3,220.56 = 1,506.72 : x
2. Step 2: Convert to fraction form
   2,333.28/3,220.56 = 1,506.72/x
3. Step 3: Cross multiply
   2,333.28x = 3,220.56 × 1,506.72
4. Step 4: Simplify right side
   2,333.28x = 4,852,482.16
5. Step 5: Solve for x
   x = 4,852,482.16/2,333.28
6. Step 6: Final answer
   x = 2,079.68