Finding the Fourth Proportional to 10,129.78, 13,975.81 and 5,652.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,129.78 : 13,975.81 = 5,652.82 : x
2. Step 2: Convert to fraction form
   10,129.78/13,975.81 = 5,652.82/x
3. Step 3: Cross multiply
   10,129.78x = 13,975.81 × 5,652.82
4. Step 4: Simplify right side
   10,129.78x = 79,002,738.28
5. Step 5: Solve for x
   x = 79,002,738.28/10,129.78
6. Step 6: Final answer
   x = 7,799.06