Finding the Fourth Proportional to 7,404.84, 10,219.84 and 4,420.10

Step by Step Solution

1. Step 1: Write the proportion equation
   7,404.84 : 10,219.84 = 4,420.10 : x
2. Step 2: Convert to fraction form
   7,404.84/10,219.84 = 4,420.10/x
3. Step 3: Cross multiply
   7,404.84x = 10,219.84 × 4,420.10
4. Step 4: Simplify right side
   7,404.84x = 45,172,729.28
5. Step 5: Solve for x
   x = 45,172,729.28/7,404.84
6. Step 6: Final answer
   x = 6,100.43