Finding the Fourth Proportional to 9,109.43, 12,571.35 and 5,076.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,109.43 : 12,571.35 = 5,076.62 : x
2. Step 2: Convert to fraction form
   9,109.43/12,571.35 = 5,076.62/x
3. Step 3: Cross multiply
   9,109.43x = 12,571.35 × 5,076.62
4. Step 4: Simplify right side
   9,109.43x = 63,819,966.84
5. Step 5: Solve for x
   x = 63,819,966.84/9,109.43
6. Step 6: Final answer
   x = 7,005.92