Finding the Fourth Proportional to 10,554.42, 15,823.76 and 3,530.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,554.42 : 15,823.76 = 3,530.28 : x
2. Step 2: Convert to fraction form
   10,554.42/15,823.76 = 3,530.28/x
3. Step 3: Cross multiply
   10,554.42x = 15,823.76 × 3,530.28
4. Step 4: Simplify right side
   10,554.42x = 55,862,285.80
5. Step 5: Solve for x
   x = 55,862,285.80/10,554.42
6. Step 6: Final answer
   x = 5,292.79