Finding the Fourth Proportional to 10,076.79, 13,906.43 and 5,600.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,076.79 : 13,906.43 = 5,600.98 : x
2. Step 2: Convert to fraction form
   10,076.79/13,906.43 = 5,600.98/x
3. Step 3: Cross multiply
   10,076.79x = 13,906.43 × 5,600.98
4. Step 4: Simplify right side
   10,076.79x = 77,889,615.54
5. Step 5: Solve for x
   x = 77,889,615.54/10,076.79
6. Step 6: Final answer
   x = 7,729.61