Finding the Fourth Proportional to 9,435.83, 13,019.54 and 5,455.49

Step by Step Solution

1. Step 1: Write the proportion equation
   9,435.83 : 13,019.54 = 5,455.49 : x
2. Step 2: Convert to fraction form
   9,435.83/13,019.54 = 5,455.49/x
3. Step 3: Cross multiply
   9,435.83x = 13,019.54 × 5,455.49
4. Step 4: Simplify right side
   9,435.83x = 71,027,877.90
5. Step 5: Solve for x
   x = 71,027,877.90/9,435.83
6. Step 6: Final answer
   x = 7,527.47