Finding the Fourth Proportional to 1,356.51, 1,872.05 and 797.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,356.51 : 1,872.05 = 797.01 : x
2. Step 2: Convert to fraction form
   1,356.51/1,872.05 = 797.01/x
3. Step 3: Cross multiply
   1,356.51x = 1,872.05 × 797.01
4. Step 4: Simplify right side
   1,356.51x = 1,492,042.57
5. Step 5: Solve for x
   x = 1,492,042.57/1,356.51
6. Step 6: Final answer
   x = 1,099.91