Finding the Fourth Proportional to 10,076.94, 13,906.28 and 5,600.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,076.94 : 13,906.28 = 5,600.88 : x
2. Step 2: Convert to fraction form
   10,076.94/13,906.28 = 5,600.88/x
3. Step 3: Cross multiply
   10,076.94x = 13,906.28 × 5,600.88
4. Step 4: Simplify right side
   10,076.94x = 77,887,419.53
5. Step 5: Solve for x
   x = 77,887,419.53/10,076.94
6. Step 6: Final answer
   x = 7,729.27