Finding the Fourth Proportional to 11,925.01, 16,456.39 and 6,619.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,925.01 : 16,456.39 = 6,619.69 : x
2. Step 2: Convert to fraction form
   11,925.01/16,456.39 = 6,619.69/x
3. Step 3: Cross multiply
   11,925.01x = 16,456.39 × 6,619.69
4. Step 4: Simplify right side
   11,925.01x = 108,936,200.32
5. Step 5: Solve for x
   x = 108,936,200.32/11,925.01
6. Step 6: Final answer
   x = 9,135.10