Finding the Fourth Proportional to 9,435.84, 13,019.25 and 5,456.22

Step by Step Solution

1. Step 1: Write the proportion equation
   9,435.84 : 13,019.25 = 5,456.22 : x
2. Step 2: Convert to fraction form
   9,435.84/13,019.25 = 5,456.22/x
3. Step 3: Cross multiply
   9,435.84x = 13,019.25 × 5,456.22
4. Step 4: Simplify right side
   9,435.84x = 71,035,892.24
5. Step 5: Solve for x
   x = 71,035,892.24/9,435.84
6. Step 6: Final answer
   x = 7,528.31