Finding the Fourth Proportional to 35,196.38, 48,559.12 and 20,078.40

Step by Step Solution

1. Step 1: Write the proportion equation
   35,196.38 : 48,559.12 = 20,078.40 : x
2. Step 2: Convert to fraction form
   35,196.38/48,559.12 = 20,078.40/x
3. Step 3: Cross multiply
   35,196.38x = 48,559.12 × 20,078.40
4. Step 4: Simplify right side
   35,196.38x = 974,989,293.76
5. Step 5: Solve for x
   x = 974,989,293.76/35,196.38
6. Step 6: Final answer
   x = 27,701.41