Finding the Fourth Proportional to 9,435.99, 13,022.67 and 5,456.87

Step by Step Solution

1. Step 1: Write the proportion equation
   9,435.99 : 13,022.67 = 5,456.87 : x
2. Step 2: Convert to fraction form
   9,435.99/13,022.67 = 5,456.87/x
3. Step 3: Cross multiply
   9,435.99x = 13,022.67 × 5,456.87
4. Step 4: Simplify right side
   9,435.99x = 71,063,021.43
5. Step 5: Solve for x
   x = 71,063,021.43/9,435.99
6. Step 6: Final answer
   x = 7,531.06