Finding the Fourth Proportional to 10,388.59, 15,589.71 and 3,814.84

Step by Step Solution

1. Step 1: Write the proportion equation
   10,388.59 : 15,589.71 = 3,814.84 : x
2. Step 2: Convert to fraction form
   10,388.59/15,589.71 = 3,814.84/x
3. Step 3: Cross multiply
   10,388.59x = 15,589.71 × 3,814.84
4. Step 4: Simplify right side
   10,388.59x = 59,472,249.30
5. Step 5: Solve for x
   x = 59,472,249.30/10,388.59
6. Step 6: Final answer
   x = 5,724.77