Finding the Fourth Proportional to 7,272.69, 10,909.94 and 7,160.10

Step by Step Solution

1. Step 1: Write the proportion equation
   7,272.69 : 10,909.94 = 7,160.10 : x
2. Step 2: Convert to fraction form
   7,272.69/10,909.94 = 7,160.10/x
3. Step 3: Cross multiply
   7,272.69x = 10,909.94 × 7,160.10
4. Step 4: Simplify right side
   7,272.69x = 78,116,225.59
5. Step 5: Solve for x
   x = 78,116,225.59/7,272.69
6. Step 6: Final answer
   x = 10,741.04