Finding the Fourth Proportional to 10,117.06, 15,172.62 and 3,542.02

Step by Step Solution

1. Step 1: Write the proportion equation
   10,117.06 : 15,172.62 = 3,542.02 : x
2. Step 2: Convert to fraction form
   10,117.06/15,172.62 = 3,542.02/x
3. Step 3: Cross multiply
   10,117.06x = 15,172.62 × 3,542.02
4. Step 4: Simplify right side
   10,117.06x = 53,741,723.49
5. Step 5: Solve for x
   x = 53,741,723.49/10,117.06
6. Step 6: Final answer
   x = 5,311.99