Finding the Fourth Proportional to 20,298.46, 30,447.60 and 5,507.34

Step by Step Solution

1. Step 1: Write the proportion equation
   20,298.46 : 30,447.60 = 5,507.34 : x
2. Step 2: Convert to fraction form
   20,298.46/30,447.60 = 5,507.34/x
3. Step 3: Cross multiply
   20,298.46x = 30,447.60 × 5,507.34
4. Step 4: Simplify right side
   20,298.46x = 167,685,285.38
5. Step 5: Solve for x
   x = 167,685,285.38/20,298.46
6. Step 6: Final answer
   x = 8,260.99