Finding the Fourth Proportional to 1,400.68, 1,932.38 and 877.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,400.68 : 1,932.38 = 877.06 : x
2. Step 2: Convert to fraction form
   1,400.68/1,932.38 = 877.06/x
3. Step 3: Cross multiply
   1,400.68x = 1,932.38 × 877.06
4. Step 4: Simplify right side
   1,400.68x = 1,694,813.20
5. Step 5: Solve for x
   x = 1,694,813.20/1,400.68
6. Step 6: Final answer
   x = 1,209.99