Finding the Fourth Proportional to 12,847.41, 17,715.42 and 8,362.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,847.41 : 17,715.42 = 8,362.89 : x
2. Step 2: Convert to fraction form
   12,847.41/17,715.42 = 8,362.89/x
3. Step 3: Cross multiply
   12,847.41x = 17,715.42 × 8,362.89
4. Step 4: Simplify right side
   12,847.41x = 148,152,108.76
5. Step 5: Solve for x
   x = 148,152,108.76/12,847.41
6. Step 6: Final answer
   x = 11,531.67