Finding the Fourth Proportional to 10,506.52, 15,760.79 and 3,485.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,506.52 : 15,760.79 = 3,485.04 : x
2. Step 2: Convert to fraction form
   10,506.52/15,760.79 = 3,485.04/x
3. Step 3: Cross multiply
   10,506.52x = 15,760.79 × 3,485.04
4. Step 4: Simplify right side
   10,506.52x = 54,926,983.58
5. Step 5: Solve for x
   x = 54,926,983.58/10,506.52
6. Step 6: Final answer
   x = 5,227.90