Finding the Fourth Proportional to 1,437.89, 1,984.68 and 848.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,437.89 : 1,984.68 = 848.61 : x
2. Step 2: Convert to fraction form
   1,437.89/1,984.68 = 848.61/x
3. Step 3: Cross multiply
   1,437.89x = 1,984.68 × 848.61
4. Step 4: Simplify right side
   1,437.89x = 1,684,219.29
5. Step 5: Solve for x
   x = 1,684,219.29/1,437.89
6. Step 6: Final answer
   x = 1,171.32