Finding the Fourth Proportional to 10,072.72, 15,108.63 and 3,499.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,072.72 : 15,108.63 = 3,499.42 : x
2. Step 2: Convert to fraction form
   10,072.72/15,108.63 = 3,499.42/x
3. Step 3: Cross multiply
   10,072.72x = 15,108.63 × 3,499.42
4. Step 4: Simplify right side
   10,072.72x = 52,871,424.50
5. Step 5: Solve for x
   x = 52,871,424.50/10,072.72
6. Step 6: Final answer
   x = 5,248.97