Finding the Fourth Proportional to 10,153.50, 15,230.34 and 3,997.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,153.50 : 15,230.34 = 3,997.50 : x
2. Step 2: Convert to fraction form
   10,153.50/15,230.34 = 3,997.50/x
3. Step 3: Cross multiply
   10,153.50x = 15,230.34 × 3,997.50
4. Step 4: Simplify right side
   10,153.50x = 60,883,284.15
5. Step 5: Solve for x
   x = 60,883,284.15/10,153.50
6. Step 6: Final answer
   x = 5,996.29