Finding the Fourth Proportional to 16,084.78, 24,118.32 and 4,988.40

Step by Step Solution

1. Step 1: Write the proportion equation
   16,084.78 : 24,118.32 = 4,988.40 : x
2. Step 2: Convert to fraction form
   16,084.78/24,118.32 = 4,988.40/x
3. Step 3: Cross multiply
   16,084.78x = 24,118.32 × 4,988.40
4. Step 4: Simplify right side
   16,084.78x = 120,311,827.49
5. Step 5: Solve for x
   x = 120,311,827.49/16,084.78
6. Step 6: Final answer
   x = 7,479.86