Finding the Fourth Proportional to 2,333.96, 3,505.76 and 2,256.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,333.96 : 3,505.76 = 2,256.20 : x
2. Step 2: Convert to fraction form
   2,333.96/3,505.76 = 2,256.20/x
3. Step 3: Cross multiply
   2,333.96x = 3,505.76 × 2,256.20
4. Step 4: Simplify right side
   2,333.96x = 7,909,695.71
5. Step 5: Solve for x
   x = 7,909,695.71/2,333.96
6. Step 6: Final answer
   x = 3,388.96