Finding the Fourth Proportional to 9,429.97, 13,007.58 and 5,599.01

Step by Step Solution

1. Step 1: Write the proportion equation
   9,429.97 : 13,007.58 = 5,599.01 : x
2. Step 2: Convert to fraction form
   9,429.97/13,007.58 = 5,599.01/x
3. Step 3: Cross multiply
   9,429.97x = 13,007.58 × 5,599.01
4. Step 4: Simplify right side
   9,429.97x = 72,829,553.12
5. Step 5: Solve for x
   x = 72,829,553.12/9,429.97
6. Step 6: Final answer
   x = 7,723.20