Finding the Fourth Proportional to 10,496.79, 14,485.32 and 5,781.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,496.79 : 14,485.32 = 5,781.15 : x
2. Step 2: Convert to fraction form
   10,496.79/14,485.32 = 5,781.15/x
3. Step 3: Cross multiply
   10,496.79x = 14,485.32 × 5,781.15
4. Step 4: Simplify right side
   10,496.79x = 83,741,807.72
5. Step 5: Solve for x
   x = 83,741,807.72/10,496.79
6. Step 6: Final answer
   x = 7,977.85