Finding the Fourth Proportional to 2,798.05, 4,197.59 and 924.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,798.05 : 4,197.59 = 924.05 : x
2. Step 2: Convert to fraction form
   2,798.05/4,197.59 = 924.05/x
3. Step 3: Cross multiply
   2,798.05x = 4,197.59 × 924.05
4. Step 4: Simplify right side
   2,798.05x = 3,878,783.04
5. Step 5: Solve for x
   x = 3,878,783.04/2,798.05
6. Step 6: Final answer
   x = 1,386.25