Finding the Fourth Proportional to 18,086.01, 24,961.17 and 10,916.30

Step by Step Solution

1. Step 1: Write the proportion equation
   18,086.01 : 24,961.17 = 10,916.30 : x
2. Step 2: Convert to fraction form
   18,086.01/24,961.17 = 10,916.30/x
3. Step 3: Cross multiply
   18,086.01x = 24,961.17 × 10,916.30
4. Step 4: Simplify right side
   18,086.01x = 272,483,495.27
5. Step 5: Solve for x
   x = 272,483,495.27/18,086.01
6. Step 6: Final answer
   x = 15,065.98