Finding the Fourth Proportional to 12,499.97, 18,759.18 and 5,926.19

Step by Step Solution

1. Step 1: Write the proportion equation
   12,499.97 : 18,759.18 = 5,926.19 : x
2. Step 2: Convert to fraction form
   12,499.97/18,759.18 = 5,926.19/x
3. Step 3: Cross multiply
   12,499.97x = 18,759.18 × 5,926.19
4. Step 4: Simplify right side
   12,499.97x = 111,170,371.13
5. Step 5: Solve for x
   x = 111,170,371.13/12,499.97
6. Step 6: Final answer
   x = 8,893.65