Finding the Fourth Proportional to 9,196.40, 13,789.74 and 5,906.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,196.40 : 13,789.74 = 5,906.18 : x
2. Step 2: Convert to fraction form
   9,196.40/13,789.74 = 5,906.18/x
3. Step 3: Cross multiply
   9,196.40x = 13,789.74 × 5,906.18
4. Step 4: Simplify right side
   9,196.40x = 81,444,686.59
5. Step 5: Solve for x
   x = 81,444,686.59/9,196.40
6. Step 6: Final answer
   x = 8,856.15