Finding the Fourth Proportional to 10,040.00, 13,861.70 and 6,456.57

Step by Step Solution

1. Step 1: Write the proportion equation
   10,040.00 : 13,861.70 = 6,456.57 : x
2. Step 2: Convert to fraction form
   10,040.00/13,861.70 = 6,456.57/x
3. Step 3: Cross multiply
   10,040.00x = 13,861.70 × 6,456.57
4. Step 4: Simplify right side
   10,040.00x = 89,499,004.09
5. Step 5: Solve for x
   x = 89,499,004.09/10,040.00
6. Step 6: Final answer
   x = 8,914.25