Finding the Fourth Proportional to 7,421.25, 10,241.33 and 4,109.25

Step by Step Solution

1. Step 1: Write the proportion equation
   7,421.25 : 10,241.33 = 4,109.25 : x
2. Step 2: Convert to fraction form
   7,421.25/10,241.33 = 4,109.25/x
3. Step 3: Cross multiply
   7,421.25x = 10,241.33 × 4,109.25
4. Step 4: Simplify right side
   7,421.25x = 42,084,164.76
5. Step 5: Solve for x
   x = 42,084,164.76/7,421.25
6. Step 6: Final answer
   x = 5,670.77