Finding the Fourth Proportional to 9,196.94, 12,691.80 and 5,005.19

Step by Step Solution

1. Step 1: Write the proportion equation
   9,196.94 : 12,691.80 = 5,005.19 : x
2. Step 2: Convert to fraction form
   9,196.94/12,691.80 = 5,005.19/x
3. Step 3: Cross multiply
   9,196.94x = 12,691.80 × 5,005.19
4. Step 4: Simplify right side
   9,196.94x = 63,524,902.17
5. Step 5: Solve for x
   x = 63,524,902.17/9,196.94
6. Step 6: Final answer
   x = 6,907.18