Finding the Fourth Proportional to 10,553.79, 15,822.82 and 3,529.65

Step by Step Solution

1. Step 1: Write the proportion equation
   10,553.79 : 15,822.82 = 3,529.65 : x
2. Step 2: Convert to fraction form
   10,553.79/15,822.82 = 3,529.65/x
3. Step 3: Cross multiply
   10,553.79x = 15,822.82 × 3,529.65
4. Step 4: Simplify right side
   10,553.79x = 55,849,016.61
5. Step 5: Solve for x
   x = 55,849,016.61/10,553.79
6. Step 6: Final answer
   x = 5,291.84