Finding the Fourth Proportional to 10,859.07, 14,985.83 and 6,143.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,859.07 : 14,985.83 = 6,143.25 : x
2. Step 2: Convert to fraction form
   10,859.07/14,985.83 = 6,143.25/x
3. Step 3: Cross multiply
   10,859.07x = 14,985.83 × 6,143.25
4. Step 4: Simplify right side
   10,859.07x = 92,061,715.51
5. Step 5: Solve for x
   x = 92,061,715.51/10,859.07
6. Step 6: Final answer
   x = 8,477.86