Finding the Fourth Proportional to 10,429.03, 15,641.89 and 3,409

Step by Step Solution

1. Step 1: Write the proportion equation
   10,429.03 : 15,641.89 = 3,409 : x
2. Step 2: Convert to fraction form
   10,429.03/15,641.89 = 3,409/x
3. Step 3: Cross multiply
   10,429.03x = 15,641.89 × 3,409
4. Step 4: Simplify right side
   10,429.03x = 53,323,203.01
5. Step 5: Solve for x
   x = 53,323,203.01/10,429.03
6. Step 6: Final answer
   x = 5,112.96