Finding the Fourth Proportional to 10,394.32, 15,591.34 and 3,817.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,394.32 : 15,591.34 = 3,817.96 : x
2. Step 2: Convert to fraction form
   10,394.32/15,591.34 = 3,817.96/x
3. Step 3: Cross multiply
   10,394.32x = 15,591.34 × 3,817.96
4. Step 4: Simplify right side
   10,394.32x = 59,527,112.47
5. Step 5: Solve for x
   x = 59,527,112.47/10,394.32
6. Step 6: Final answer
   x = 5,726.89