Finding the Fourth Proportional to 1,437.54, 1,983.60 and 847.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,437.54 : 1,983.60 = 847.86 : x
2. Step 2: Convert to fraction form
   1,437.54/1,983.60 = 847.86/x
3. Step 3: Cross multiply
   1,437.54x = 1,983.60 × 847.86
4. Step 4: Simplify right side
   1,437.54x = 1,681,815.10
5. Step 5: Solve for x
   x = 1,681,815.10/1,437.54
6. Step 6: Final answer
   x = 1,169.93