Finding the Fourth Proportional to 18,116.48, 24,997.12 and 10,158.72

Step by Step Solution

1. Step 1: Write the proportion equation
   18,116.48 : 24,997.12 = 10,158.72 : x
2. Step 2: Convert to fraction form
   18,116.48/24,997.12 = 10,158.72/x
3. Step 3: Cross multiply
   18,116.48x = 24,997.12 × 10,158.72
4. Step 4: Simplify right side
   18,116.48x = 253,938,742.89
5. Step 5: Solve for x
   x = 253,938,742.89/18,116.48
6. Step 6: Final answer
   x = 14,017.00