Finding the Fourth Proportional to 20,401.94, 30,594.72 and 6,357.35

Step by Step Solution

1. Step 1: Write the proportion equation
   20,401.94 : 30,594.72 = 6,357.35 : x
2. Step 2: Convert to fraction form
   20,401.94/30,594.72 = 6,357.35/x
3. Step 3: Cross multiply
   20,401.94x = 30,594.72 × 6,357.35
4. Step 4: Simplify right side
   20,401.94x = 194,501,343.19
5. Step 5: Solve for x
   x = 194,501,343.19/20,401.94
6. Step 6: Final answer
   x = 9,533.47