Finding the Fourth Proportional to 12,381.47, 17,086.57 and 6,792.47

Step by Step Solution

1. Step 1: Write the proportion equation
   12,381.47 : 17,086.57 = 6,792.47 : x
2. Step 2: Convert to fraction form
   12,381.47/17,086.57 = 6,792.47/x
3. Step 3: Cross multiply
   12,381.47x = 17,086.57 × 6,792.47
4. Step 4: Simplify right side
   12,381.47x = 116,059,911.71
5. Step 5: Solve for x
   x = 116,059,911.71/12,381.47
6. Step 6: Final answer
   x = 9,373.68