Finding the Fourth Proportional to 73,196.64, 109,778.76 and 20,592

Step by Step Solution

1. Step 1: Write the proportion equation
   73,196.64 : 109,778.76 = 20,592 : x
2. Step 2: Convert to fraction form
   73,196.64/109,778.76 = 20,592/x
3. Step 3: Cross multiply
   73,196.64x = 109,778.76 × 20,592
4. Step 4: Simplify right side
   73,196.64x = 2,260,564,225.92
5. Step 5: Solve for x
   x = 2,260,564,225.92/73,196.64
6. Step 6: Final answer
   x = 30,883.44