Finding the Fourth Proportional to 1,437.40, 1,983.24 and 877.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,437.40 : 1,983.24 = 877.83 : x
2. Step 2: Convert to fraction form
   1,437.40/1,983.24 = 877.83/x
3. Step 3: Cross multiply
   1,437.40x = 1,983.24 × 877.83
4. Step 4: Simplify right side
   1,437.40x = 1,740,947.57
5. Step 5: Solve for x
   x = 1,740,947.57/1,437.40
6. Step 6: Final answer
   x = 1,211.18