Finding the Fourth Proportional to 10,355.50, 15,533.61 and 3,429.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,355.50 : 15,533.61 = 3,429.82 : x
2. Step 2: Convert to fraction form
   10,355.50/15,533.61 = 3,429.82/x
3. Step 3: Cross multiply
   10,355.50x = 15,533.61 × 3,429.82
4. Step 4: Simplify right side
   10,355.50x = 53,277,486.25
5. Step 5: Solve for x
   x = 53,277,486.25/10,355.50
6. Step 6: Final answer
   x = 5,144.85