Finding the Fourth Proportional to 10,419.80, 15,620.31 and 3,844.35

Step by Step Solution

1. Step 1: Write the proportion equation
   10,419.80 : 15,620.31 = 3,844.35 : x
2. Step 2: Convert to fraction form
   10,419.80/15,620.31 = 3,844.35/x
3. Step 3: Cross multiply
   10,419.80x = 15,620.31 × 3,844.35
4. Step 4: Simplify right side
   10,419.80x = 60,049,938.75
5. Step 5: Solve for x
   x = 60,049,938.75/10,419.80
6. Step 6: Final answer
   x = 5,763.06