Finding the Fourth Proportional to 9,919.50, 14,867.72 and 4,069.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,919.50 : 14,867.72 = 4,069.02 : x
2. Step 2: Convert to fraction form
   9,919.50/14,867.72 = 4,069.02/x
3. Step 3: Cross multiply
   9,919.50x = 14,867.72 × 4,069.02
4. Step 4: Simplify right side
   9,919.50x = 60,497,050.03
5. Step 5: Solve for x
   x = 60,497,050.03/9,919.50
6. Step 6: Final answer
   x = 6,098.80