Finding the Fourth Proportional to 10,076.22, 13,905 and 5,599.89

Step by Step Solution

1. Step 1: Write the proportion equation
   10,076.22 : 13,905 = 5,599.89 : x
2. Step 2: Convert to fraction form
   10,076.22/13,905 = 5,599.89/x
3. Step 3: Cross multiply
   10,076.22x = 13,905 × 5,599.89
4. Step 4: Simplify right side
   10,076.22x = 77,866,470.45
5. Step 5: Solve for x
   x = 77,866,470.45/10,076.22
6. Step 6: Final answer
   x = 7,727.75