Finding the Fourth Proportional to 10,105.57, 13,958.76 and 8,703.46

Step by Step Solution

1. Step 1: Write the proportion equation
   10,105.57 : 13,958.76 = 8,703.46 : x
2. Step 2: Convert to fraction form
   10,105.57/13,958.76 = 8,703.46/x
3. Step 3: Cross multiply
   10,105.57x = 13,958.76 × 8,703.46
4. Step 4: Simplify right side
   10,105.57x = 121,489,509.31
5. Step 5: Solve for x
   x = 121,489,509.31/10,105.57
6. Step 6: Final answer
   x = 12,022.03