Finding the Fourth Proportional to 12,381.99, 17,086.94 and 6,792.87

Step by Step Solution

1. Step 1: Write the proportion equation
   12,381.99 : 17,086.94 = 6,792.87 : x
2. Step 2: Convert to fraction form
   12,381.99/17,086.94 = 6,792.87/x
3. Step 3: Cross multiply
   12,381.99x = 17,086.94 × 6,792.87
4. Step 4: Simplify right side
   12,381.99x = 116,069,328.15
5. Step 5: Solve for x
   x = 116,069,328.15/12,381.99
6. Step 6: Final answer
   x = 9,374.04