Finding the Fourth Proportional to 1,437.57, 1,983.93 and 847.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,437.57 : 1,983.93 = 847.89 : x
2. Step 2: Convert to fraction form
   1,437.57/1,983.93 = 847.89/x
3. Step 3: Cross multiply
   1,437.57x = 1,983.93 × 847.89
4. Step 4: Simplify right side
   1,437.57x = 1,682,154.41
5. Step 5: Solve for x
   x = 1,682,154.41/1,437.57
6. Step 6: Final answer
   x = 1,170.14