Finding the Fourth Proportional to 10,003.29, 15,005.67 and 3,429.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,003.29 : 15,005.67 = 3,429.42 : x
2. Step 2: Convert to fraction form
   10,003.29/15,005.67 = 3,429.42/x
3. Step 3: Cross multiply
   10,003.29x = 15,005.67 × 3,429.42
4. Step 4: Simplify right side
   10,003.29x = 51,460,727.66
5. Step 5: Solve for x
   x = 51,460,727.66/10,003.29
6. Step 6: Final answer
   x = 5,144.38