Finding the Fourth Proportional to 12,228.81, 16,875.83 and 7,193.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,228.81 : 16,875.83 = 7,193.25 : x
2. Step 2: Convert to fraction form
   12,228.81/16,875.83 = 7,193.25/x
3. Step 3: Cross multiply
   12,228.81x = 16,875.83 × 7,193.25
4. Step 4: Simplify right side
   12,228.81x = 121,392,064.15
5. Step 5: Solve for x
   x = 121,392,064.15/12,228.81
6. Step 6: Final answer
   x = 9,926.73