Finding the Fourth Proportional to 1,796.94, 2,478.95 and 1,298.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,796.94 : 2,478.95 = 1,298.79 : x
2. Step 2: Convert to fraction form
   1,796.94/2,478.95 = 1,298.79/x
3. Step 3: Cross multiply
   1,796.94x = 2,478.95 × 1,298.79
4. Step 4: Simplify right side
   1,796.94x = 3,219,635.47
5. Step 5: Solve for x
   x = 3,219,635.47/1,796.94
6. Step 6: Final answer
   x = 1,791.73