Finding the Fourth Proportional to 10,127.97, 13,977.09 and 5,651.91

Step by Step Solution

1. Step 1: Write the proportion equation
   10,127.97 : 13,977.09 = 5,651.91 : x
2. Step 2: Convert to fraction form
   10,127.97/13,977.09 = 5,651.91/x
3. Step 3: Cross multiply
   10,127.97x = 13,977.09 × 5,651.91
4. Step 4: Simplify right side
   10,127.97x = 78,997,337.55
5. Step 5: Solve for x
   x = 78,997,337.55/10,127.97
6. Step 6: Final answer
   x = 7,799.91