Finding the Fourth Proportional to 10,152.78, 14,010.39 and 5,676.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,152.78 : 14,010.39 = 5,676.78 : x
2. Step 2: Convert to fraction form
   10,152.78/14,010.39 = 5,676.78/x
3. Step 3: Cross multiply
   10,152.78x = 14,010.39 × 5,676.78
4. Step 4: Simplify right side
   10,152.78x = 79,533,901.74
5. Step 5: Solve for x
   x = 79,533,901.74/10,152.78
6. Step 6: Final answer
   x = 7,833.71