Finding the Fourth Proportional to 14,628.52, 20,187.33 and 7,914.15

Step by Step Solution

1. Step 1: Write the proportion equation
   14,628.52 : 20,187.33 = 7,914.15 : x
2. Step 2: Convert to fraction form
   14,628.52/20,187.33 = 7,914.15/x
3. Step 3: Cross multiply
   14,628.52x = 20,187.33 × 7,914.15
4. Step 4: Simplify right side
   14,628.52x = 159,765,557.72
5. Step 5: Solve for x
   x = 159,765,557.72/14,628.52
6. Step 6: Final answer
   x = 10,921.51