Finding the Fourth Proportional to 7,610.55, 10,509.71 and 7,196.37

Step by Step Solution

1. Step 1: Write the proportion equation
   7,610.55 : 10,509.71 = 7,196.37 : x
2. Step 2: Convert to fraction form
   7,610.55/10,509.71 = 7,196.37/x
3. Step 3: Cross multiply
   7,610.55x = 10,509.71 × 7,196.37
4. Step 4: Simplify right side
   7,610.55x = 75,631,761.75
5. Step 5: Solve for x
   x = 75,631,761.75/7,610.55
6. Step 6: Final answer
   x = 9,937.75