Finding the Fourth Proportional to 12,571.61, 17,348.96 and 6,906.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,571.61 : 17,348.96 = 6,906.50 : x
2. Step 2: Convert to fraction form
   12,571.61/17,348.96 = 6,906.50/x
3. Step 3: Cross multiply
   12,571.61x = 17,348.96 × 6,906.50
4. Step 4: Simplify right side
   12,571.61x = 119,820,522.76
5. Step 5: Solve for x
   x = 119,820,522.76/12,571.61
6. Step 6: Final answer
   x = 9,531.04