Finding the Fourth Proportional to 10,412.76, 15,621.88 and 3,839.01

Step by Step Solution

1. Step 1: Write the proportion equation
   10,412.76 : 15,621.88 = 3,839.01 : x
2. Step 2: Convert to fraction form
   10,412.76/15,621.88 = 3,839.01/x
3. Step 3: Cross multiply
   10,412.76x = 15,621.88 × 3,839.01
4. Step 4: Simplify right side
   10,412.76x = 59,972,553.54
5. Step 5: Solve for x
   x = 59,972,553.54/10,412.76
6. Step 6: Final answer
   x = 5,759.53