Finding the Fourth Proportional to 12,499.96, 18,759.15 and 5,926.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,499.96 : 18,759.15 = 5,926.12 : x
2. Step 2: Convert to fraction form
   12,499.96/18,759.15 = 5,926.12/x
3. Step 3: Cross multiply
   12,499.96x = 18,759.15 × 5,926.12
4. Step 4: Simplify right side
   12,499.96x = 111,168,944.37
5. Step 5: Solve for x
   x = 111,168,944.37/12,499.96
6. Step 6: Final answer
   x = 8,893.54