Finding the Fourth Proportional to 12,179.39, 16,795.89 and 7,400.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,179.39 : 16,795.89 = 7,400.12 : x
2. Step 2: Convert to fraction form
   12,179.39/16,795.89 = 7,400.12/x
3. Step 3: Cross multiply
   12,179.39x = 16,795.89 × 7,400.12
4. Step 4: Simplify right side
   12,179.39x = 124,291,517.53
5. Step 5: Solve for x
   x = 124,291,517.53/12,179.39
6. Step 6: Final answer
   x = 10,205.07