Finding the Fourth Proportional to 1,796.08, 2,478.72 and 1,298.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,796.08 : 2,478.72 = 1,298.56 : x
2. Step 2: Convert to fraction form
   1,796.08/2,478.72 = 1,298.56/x
3. Step 3: Cross multiply
   1,796.08x = 2,478.72 × 1,298.56
4. Step 4: Simplify right side
   1,796.08x = 3,218,766.64
5. Step 5: Solve for x
   x = 3,218,766.64/1,796.08
6. Step 6: Final answer
   x = 1,792.11