Finding the Fourth Proportional to 10,384.02, 14,293.89 and 7,861.68

Step by Step Solution

1. Step 1: Write the proportion equation
   10,384.02 : 14,293.89 = 7,861.68 : x
2. Step 2: Convert to fraction form
   10,384.02/14,293.89 = 7,861.68/x
3. Step 3: Cross multiply
   10,384.02x = 14,293.89 × 7,861.68
4. Step 4: Simplify right side
   10,384.02x = 112,373,989.14
5. Step 5: Solve for x
   x = 112,373,989.14/10,384.02
6. Step 6: Final answer
   x = 10,821.82