Finding the Fourth Proportional to 10,500.51, 14,478.69 and 7,843.44

Step by Step Solution

1. Step 1: Write the proportion equation
   10,500.51 : 14,478.69 = 7,843.44 : x
2. Step 2: Convert to fraction form
   10,500.51/14,478.69 = 7,843.44/x
3. Step 3: Cross multiply
   10,500.51x = 14,478.69 × 7,843.44
4. Step 4: Simplify right side
   10,500.51x = 113,562,736.29
5. Step 5: Solve for x
   x = 113,562,736.29/10,500.51
6. Step 6: Final answer
   x = 10,814.97