Finding the Fourth Proportional to 10,523.70, 14,523.73 and 7,866.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,523.70 : 14,523.73 = 7,866.50 : x
2. Step 2: Convert to fraction form
   10,523.70/14,523.73 = 7,866.50/x
3. Step 3: Cross multiply
   10,523.70x = 14,523.73 × 7,866.50
4. Step 4: Simplify right side
   10,523.70x = 114,250,829.76
5. Step 5: Solve for x
   x = 114,250,829.76/10,523.70
6. Step 6: Final answer
   x = 10,856.53