Finding the Fourth Proportional to 11,095.72, 15,308.42 and 7,320.76

Step by Step Solution

1. Step 1: Write the proportion equation
   11,095.72 : 15,308.42 = 7,320.76 : x
2. Step 2: Convert to fraction form
   11,095.72/15,308.42 = 7,320.76/x
3. Step 3: Cross multiply
   11,095.72x = 15,308.42 × 7,320.76
4. Step 4: Simplify right side
   11,095.72x = 112,069,268.80
5. Step 5: Solve for x
   x = 112,069,268.80/11,095.72
6. Step 6: Final answer
   x = 10,100.23