Finding the Fourth Proportional to 12,164.20, 16,788.30 and 7,386.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,164.20 : 16,788.30 = 7,386.52 : x
2. Step 2: Convert to fraction form
   12,164.20/16,788.30 = 7,386.52/x
3. Step 3: Cross multiply
   12,164.20x = 16,788.30 × 7,386.52
4. Step 4: Simplify right side
   12,164.20x = 124,007,113.72
5. Step 5: Solve for x
   x = 124,007,113.72/12,164.20
6. Step 6: Final answer
   x = 10,194.43