Finding the Fourth Proportional to 1,437.50, 1,983.49 and 847.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,437.50 : 1,983.49 = 847.89 : x
2. Step 2: Convert to fraction form
   1,437.50/1,983.49 = 847.89/x
3. Step 3: Cross multiply
   1,437.50x = 1,983.49 × 847.89
4. Step 4: Simplify right side
   1,437.50x = 1,681,779.22
5. Step 5: Solve for x
   x = 1,681,779.22/1,437.50
6. Step 6: Final answer
   x = 1,169.93