Finding the Fourth Proportional to 18,061.52, 27,082.34 and 5,578.10

Step by Step Solution

1. Step 1: Write the proportion equation
   18,061.52 : 27,082.34 = 5,578.10 : x
2. Step 2: Convert to fraction form
   18,061.52/27,082.34 = 5,578.10/x
3. Step 3: Cross multiply
   18,061.52x = 27,082.34 × 5,578.10
4. Step 4: Simplify right side
   18,061.52x = 151,068,000.75
5. Step 5: Solve for x
   x = 151,068,000.75/18,061.52
6. Step 6: Final answer
   x = 8,364.08