Finding the Fourth Proportional to 1,798.16, 2,698.68 and 932.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,798.16 : 2,698.68 = 932.72 : x
2. Step 2: Convert to fraction form
   1,798.16/2,698.68 = 932.72/x
3. Step 3: Cross multiply
   1,798.16x = 2,698.68 × 932.72
4. Step 4: Simplify right side
   1,798.16x = 2,517,112.81
5. Step 5: Solve for x
   x = 2,517,112.81/1,798.16
6. Step 6: Final answer
   x = 1,399.83