Finding the Fourth Proportional to 6,404.32, 9,607.20 and 2,020.48

Step by Step Solution

1. Step 1: Write the proportion equation
   6,404.32 : 9,607.20 = 2,020.48 : x
2. Step 2: Convert to fraction form
   6,404.32/9,607.20 = 2,020.48/x
3. Step 3: Cross multiply
   6,404.32x = 9,607.20 × 2,020.48
4. Step 4: Simplify right side
   6,404.32x = 19,411,155.46
5. Step 5: Solve for x
   x = 19,411,155.46/6,404.32
6. Step 6: Final answer
   x = 3,030.95