Finding the Fourth Proportional to 1,437.16, 1,983.46 and 877.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,437.16 : 1,983.46 = 877.51 : x
2. Step 2: Convert to fraction form
   1,437.16/1,983.46 = 877.51/x
3. Step 3: Cross multiply
   1,437.16x = 1,983.46 × 877.51
4. Step 4: Simplify right side
   1,437.16x = 1,740,505.98
5. Step 5: Solve for x
   x = 1,740,505.98/1,437.16
6. Step 6: Final answer
   x = 1,211.07