Finding the Fourth Proportional to 1,437.67, 1,983.04 and 847.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,437.67 : 1,983.04 = 847.86 : x
2. Step 2: Convert to fraction form
   1,437.67/1,983.04 = 847.86/x
3. Step 3: Cross multiply
   1,437.67x = 1,983.04 × 847.86
4. Step 4: Simplify right side
   1,437.67x = 1,681,340.29
5. Step 5: Solve for x
   x = 1,681,340.29/1,437.67
6. Step 6: Final answer
   x = 1,169.49