Finding the Fourth Proportional to 7,241.49, 9,994.41 and 4,258.05

Step by Step Solution

1. Step 1: Write the proportion equation
   7,241.49 : 9,994.41 = 4,258.05 : x
2. Step 2: Convert to fraction form
   7,241.49/9,994.41 = 4,258.05/x
3. Step 3: Cross multiply
   7,241.49x = 9,994.41 × 4,258.05
4. Step 4: Simplify right side
   7,241.49x = 42,556,697.50
5. Step 5: Solve for x
   x = 42,556,697.50/7,241.49
6. Step 6: Final answer
   x = 5,876.79