Finding the Fourth Proportional to 7,612.38, 10,504.89 and 7,388.82

Step by Step Solution

1. Step 1: Write the proportion equation
   7,612.38 : 10,504.89 = 7,388.82 : x
2. Step 2: Convert to fraction form
   7,612.38/10,504.89 = 7,388.82/x
3. Step 3: Cross multiply
   7,612.38x = 10,504.89 × 7,388.82
4. Step 4: Simplify right side
   7,612.38x = 77,618,741.33
5. Step 5: Solve for x
   x = 77,618,741.33/7,612.38
6. Step 6: Final answer
   x = 10,196.38