Finding the Fourth Proportional to 9,673.63, 13,349.61 and 5,424.77

Step by Step Solution

1. Step 1: Write the proportion equation
   9,673.63 : 13,349.61 = 5,424.77 : x
2. Step 2: Convert to fraction form
   9,673.63/13,349.61 = 5,424.77/x
3. Step 3: Cross multiply
   9,673.63x = 13,349.61 × 5,424.77
4. Step 4: Simplify right side
   9,673.63x = 72,418,597.21
5. Step 5: Solve for x
   x = 72,418,597.21/9,673.63
6. Step 6: Final answer
   x = 7,486.19