Finding the Fourth Proportional to 2,356.78, 3,248.88 and 1,796.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,356.78 : 3,248.88 = 1,796.28 : x
2. Step 2: Convert to fraction form
   2,356.78/3,248.88 = 1,796.28/x
3. Step 3: Cross multiply
   2,356.78x = 3,248.88 × 1,796.28
4. Step 4: Simplify right side
   2,356.78x = 5,835,898.17
5. Step 5: Solve for x
   x = 5,835,898.17/2,356.78
6. Step 6: Final answer
   x = 2,476.22