Finding the Fourth Proportional to 9,196.15, 12,690.81 and 5,004.40

Step by Step Solution

1. Step 1: Write the proportion equation
   9,196.15 : 12,690.81 = 5,004.40 : x
2. Step 2: Convert to fraction form
   9,196.15/12,690.81 = 5,004.40/x
3. Step 3: Cross multiply
   9,196.15x = 12,690.81 × 5,004.40
4. Step 4: Simplify right side
   9,196.15x = 63,509,889.56
5. Step 5: Solve for x
   x = 63,509,889.56/9,196.15
6. Step 6: Final answer
   x = 6,906.14