Finding the Fourth Proportional to 1,437.03, 1,983.15 and 847.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,437.03 : 1,983.15 = 847.89 : x
2. Step 2: Convert to fraction form
   1,437.03/1,983.15 = 847.89/x
3. Step 3: Cross multiply
   1,437.03x = 1,983.15 × 847.89
4. Step 4: Simplify right side
   1,437.03x = 1,681,493.05
5. Step 5: Solve for x
   x = 1,681,493.05/1,437.03
6. Step 6: Final answer
   x = 1,170.12