Finding the Fourth Proportional to 11,338.68, 15,630.89 and 7,925.09

Step by Step Solution

1. Step 1: Write the proportion equation
   11,338.68 : 15,630.89 = 7,925.09 : x
2. Step 2: Convert to fraction form
   11,338.68/15,630.89 = 7,925.09/x
3. Step 3: Cross multiply
   11,338.68x = 15,630.89 × 7,925.09
4. Step 4: Simplify right side
   11,338.68x = 123,876,170.40
5. Step 5: Solve for x
   x = 123,876,170.40/11,338.68
6. Step 6: Final answer
   x = 10,925.10