Finding the Fourth Proportional to 38,196.10, 57,308.55 and 18,492.10

Step by Step Solution

1. Step 1: Write the proportion equation
   38,196.10 : 57,308.55 = 18,492.10 : x
2. Step 2: Convert to fraction form
   38,196.10/57,308.55 = 18,492.10/x
3. Step 3: Cross multiply
   38,196.10x = 57,308.55 × 18,492.10
4. Step 4: Simplify right side
   38,196.10x = 1,059,755,437.46
5. Step 5: Solve for x
   x = 1,059,755,437.46/38,196.10
6. Step 6: Final answer
   x = 27,745.12