Finding the Fourth Proportional to 9,196.16, 12,690.56 and 5,004.40

Step by Step Solution

1. Step 1: Write the proportion equation
   9,196.16 : 12,690.56 = 5,004.40 : x
2. Step 2: Convert to fraction form
   9,196.16/12,690.56 = 5,004.40/x
3. Step 3: Cross multiply
   9,196.16x = 12,690.56 × 5,004.40
4. Step 4: Simplify right side
   9,196.16x = 63,508,638.46
5. Step 5: Solve for x
   x = 63,508,638.46/9,196.16
6. Step 6: Final answer
   x = 6,906.00