Finding the Fourth Proportional to 9,455.35, 13,049.63 and 5,423.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,455.35 : 13,049.63 = 5,423.76 : x
2. Step 2: Convert to fraction form
   9,455.35/13,049.63 = 5,423.76/x
3. Step 3: Cross multiply
   9,455.35x = 13,049.63 × 5,423.76
4. Step 4: Simplify right side
   9,455.35x = 70,778,061.21
5. Step 5: Solve for x
   x = 70,778,061.21/9,455.35
6. Step 6: Final answer
   x = 7,485.50