Finding the Fourth Proportional to 1,437.48, 1,983.90 and 877.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,437.48 : 1,983.90 = 877.83 : x
2. Step 2: Convert to fraction form
   1,437.48/1,983.90 = 877.83/x
3. Step 3: Cross multiply
   1,437.48x = 1,983.90 × 877.83
4. Step 4: Simplify right side
   1,437.48x = 1,741,526.94
5. Step 5: Solve for x
   x = 1,741,526.94/1,437.48
6. Step 6: Final answer
   x = 1,211.51