Finding the Fourth Proportional to 10,548.78, 15,823.03 and 3,153.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,548.78 : 15,823.03 = 3,153.30 : x
2. Step 2: Convert to fraction form
   10,548.78/15,823.03 = 3,153.30/x
3. Step 3: Cross multiply
   10,548.78x = 15,823.03 × 3,153.30
4. Step 4: Simplify right side
   10,548.78x = 49,894,760.50
5. Step 5: Solve for x
   x = 49,894,760.50/10,548.78
6. Step 6: Final answer
   x = 4,729.91