Finding the Fourth Proportional to 10,500.40, 14,503.32 and 7,859.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,500.40 : 14,503.32 = 7,859.52 : x
2. Step 2: Convert to fraction form
   10,500.40/14,503.32 = 7,859.52/x
3. Step 3: Cross multiply
   10,500.40x = 14,503.32 × 7,859.52
4. Step 4: Simplify right side
   10,500.40x = 113,989,133.61
5. Step 5: Solve for x
   x = 113,989,133.61/10,500.40
6. Step 6: Final answer
   x = 10,855.69