Finding the Fourth Proportional to 10,184.72, 15,256.28 and 5,243.99

Step by Step Solution

1. Step 1: Write the proportion equation
   10,184.72 : 15,256.28 = 5,243.99 : x
2. Step 2: Convert to fraction form
   10,184.72/15,256.28 = 5,243.99/x
3. Step 3: Cross multiply
   10,184.72x = 15,256.28 × 5,243.99
4. Step 4: Simplify right side
   10,184.72x = 80,003,716.59
5. Step 5: Solve for x
   x = 80,003,716.59/10,184.72
6. Step 6: Final answer
   x = 7,855.27