Finding the Fourth Proportional to 1,796.28, 2,688.72 and 1,178.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,796.28 : 2,688.72 = 1,178.52 : x
2. Step 2: Convert to fraction form
   1,796.28/2,688.72 = 1,178.52/x
3. Step 3: Cross multiply
   1,796.28x = 2,688.72 × 1,178.52
4. Step 4: Simplify right side
   1,796.28x = 3,168,710.29
5. Step 5: Solve for x
   x = 3,168,710.29/1,796.28
6. Step 6: Final answer
   x = 1,764.04