Finding the Fourth Proportional to 10,186.83, 14,054.67 and 5,709.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,186.83 : 14,054.67 = 5,709.96 : x
2. Step 2: Convert to fraction form
   10,186.83/14,054.67 = 5,709.96/x
3. Step 3: Cross multiply
   10,186.83x = 14,054.67 × 5,709.96
4. Step 4: Simplify right side
   10,186.83x = 80,251,603.51
5. Step 5: Solve for x
   x = 80,251,603.51/10,186.83
6. Step 6: Final answer
   x = 7,877.98