Finding the Fourth Proportional to 1,341.86, 2,012.72 and 797.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,341.86 : 2,012.72 = 797.50 : x
2. Step 2: Convert to fraction form
   1,341.86/2,012.72 = 797.50/x
3. Step 3: Cross multiply
   1,341.86x = 2,012.72 × 797.50
4. Step 4: Simplify right side
   1,341.86x = 1,605,144.20
5. Step 5: Solve for x
   x = 1,605,144.20/1,341.86
6. Step 6: Final answer
   x = 1,196.21