Finding the Fourth Proportional to 11,543.72, 15,925.12 and 7,065.68

Step by Step Solution

1. Step 1: Write the proportion equation
   11,543.72 : 15,925.12 = 7,065.68 : x
2. Step 2: Convert to fraction form
   11,543.72/15,925.12 = 7,065.68/x
3. Step 3: Cross multiply
   11,543.72x = 15,925.12 × 7,065.68
4. Step 4: Simplify right side
   11,543.72x = 112,521,704.59
5. Step 5: Solve for x
   x = 112,521,704.59/11,543.72
6. Step 6: Final answer
   x = 9,747.44