Finding the Fourth Proportional to 10,496.86, 14,485.30 and 5,781.11

Step by Step Solution

1. Step 1: Write the proportion equation
   10,496.86 : 14,485.30 = 5,781.11 : x
2. Step 2: Convert to fraction form
   10,496.86/14,485.30 = 5,781.11/x
3. Step 3: Cross multiply
   10,496.86x = 14,485.30 × 5,781.11
4. Step 4: Simplify right side
   10,496.86x = 83,741,025.80
5. Step 5: Solve for x
   x = 83,741,025.80/10,496.86
6. Step 6: Final answer
   x = 7,977.72