Finding the Fourth Proportional to 11,945.62, 17,894.77 and 8,188.15

Step by Step Solution

1. Step 1: Write the proportion equation
   11,945.62 : 17,894.77 = 8,188.15 : x
2. Step 2: Convert to fraction form
   11,945.62/17,894.77 = 8,188.15/x
3. Step 3: Cross multiply
   11,945.62x = 17,894.77 × 8,188.15
4. Step 4: Simplify right side
   11,945.62x = 146,525,060.98
5. Step 5: Solve for x
   x = 146,525,060.98/11,945.62
6. Step 6: Final answer
   x = 12,266.01