Finding the Fourth Proportional to 9,617.76, 14,428.56 and 4,071.09

Step by Step Solution

1. Step 1: Write the proportion equation
   9,617.76 : 14,428.56 = 4,071.09 : x
2. Step 2: Convert to fraction form
   9,617.76/14,428.56 = 4,071.09/x
3. Step 3: Cross multiply
   9,617.76x = 14,428.56 × 4,071.09
4. Step 4: Simplify right side
   9,617.76x = 58,739,966.33
5. Step 5: Solve for x
   x = 58,739,966.33/9,617.76
6. Step 6: Final answer
   x = 6,107.45