Finding the Fourth Proportional to 2,234.48, 3,084.98 and 1,438.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,234.48 : 3,084.98 = 1,438.16 : x
2. Step 2: Convert to fraction form
   2,234.48/3,084.98 = 1,438.16/x
3. Step 3: Cross multiply
   2,234.48x = 3,084.98 × 1,438.16
4. Step 4: Simplify right side
   2,234.48x = 4,436,672.22
5. Step 5: Solve for x
   x = 4,436,672.22/2,234.48
6. Step 6: Final answer
   x = 1,985.55