Finding the Fourth Proportional to 10,124.37, 13,971.59 and 5,647.85

Step by Step Solution

1. Step 1: Write the proportion equation
   10,124.37 : 13,971.59 = 5,647.85 : x
2. Step 2: Convert to fraction form
   10,124.37/13,971.59 = 5,647.85/x
3. Step 3: Cross multiply
   10,124.37x = 13,971.59 × 5,647.85
4. Step 4: Simplify right side
   10,124.37x = 78,909,459.35
5. Step 5: Solve for x
   x = 78,909,459.35/10,124.37
6. Step 6: Final answer
   x = 7,794.01