Finding the Fourth Proportional to 10,185.76, 14,056.22 and 5,709.51

Step by Step Solution

1. Step 1: Write the proportion equation
   10,185.76 : 14,056.22 = 5,709.51 : x
2. Step 2: Convert to fraction form
   10,185.76/14,056.22 = 5,709.51/x
3. Step 3: Cross multiply
   10,185.76x = 14,056.22 × 5,709.51
4. Step 4: Simplify right side
   10,185.76x = 80,254,128.65
5. Step 5: Solve for x
   x = 80,254,128.65/10,185.76
6. Step 6: Final answer
   x = 7,879.05