Finding the Fourth Proportional to 10,394.71, 15,593.61 and 3,820.39

Step by Step Solution

1. Step 1: Write the proportion equation
   10,394.71 : 15,593.61 = 3,820.39 : x
2. Step 2: Convert to fraction form
   10,394.71/15,593.61 = 3,820.39/x
3. Step 3: Cross multiply
   10,394.71x = 15,593.61 × 3,820.39
4. Step 4: Simplify right side
   10,394.71x = 59,573,647.05
5. Step 5: Solve for x
   x = 59,573,647.05/10,394.71
6. Step 6: Final answer
   x = 5,731.15