Finding the Fourth Proportional to 6,429.02, 8,869.23 and 4,069.69

Step by Step Solution

1. Step 1: Write the proportion equation
   6,429.02 : 8,869.23 = 4,069.69 : x
2. Step 2: Convert to fraction form
   6,429.02/8,869.23 = 4,069.69/x
3. Step 3: Cross multiply
   6,429.02x = 8,869.23 × 4,069.69
4. Step 4: Simplify right side
   6,429.02x = 36,094,994.47
5. Step 5: Solve for x
   x = 36,094,994.47/6,429.02
6. Step 6: Final answer
   x = 5,614.39