Finding the Fourth Proportional to 12,164.50, 16,787.28 and 7,451.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,164.50 : 16,787.28 = 7,451.38 : x
2. Step 2: Convert to fraction form
   12,164.50/16,787.28 = 7,451.38/x
3. Step 3: Cross multiply
   12,164.50x = 16,787.28 × 7,451.38
4. Step 4: Simplify right side
   12,164.50x = 125,088,402.45
5. Step 5: Solve for x
   x = 125,088,402.45/12,164.50
6. Step 6: Final answer
   x = 10,283.07