Finding the Fourth Proportional to 9,572.72, 13,208.31 and 5,592.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,572.72 : 13,208.31 = 5,592.02 : x
2. Step 2: Convert to fraction form
   9,572.72/13,208.31 = 5,592.02/x
3. Step 3: Cross multiply
   9,572.72x = 13,208.31 × 5,592.02
4. Step 4: Simplify right side
   9,572.72x = 73,861,067.64
5. Step 5: Solve for x
   x = 73,861,067.64/9,572.72
6. Step 6: Final answer
   x = 7,715.79