Finding the Fourth Proportional to 10,623.12, 15,931.41 and 3,506.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,623.12 : 15,931.41 = 3,506.04 : x
2. Step 2: Convert to fraction form
   10,623.12/15,931.41 = 3,506.04/x
3. Step 3: Cross multiply
   10,623.12x = 15,931.41 × 3,506.04
4. Step 4: Simplify right side
   10,623.12x = 55,856,081.06
5. Step 5: Solve for x
   x = 55,856,081.06/10,623.12
6. Step 6: Final answer
   x = 5,257.98