Finding the Fourth Proportional to 9,473.50, 13,073.49 and 5,281.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,473.50 : 13,073.49 = 5,281.78 : x
2. Step 2: Convert to fraction form
   9,473.50/13,073.49 = 5,281.78/x
3. Step 3: Cross multiply
   9,473.50x = 13,073.49 × 5,281.78
4. Step 4: Simplify right side
   9,473.50x = 69,051,298.01
5. Step 5: Solve for x
   x = 69,051,298.01/9,473.50
6. Step 6: Final answer
   x = 7,288.89