Finding the Fourth Proportional to 10,580.85, 14,668.42 and 10,019.08

Step by Step Solution

1. Step 1: Write the proportion equation
   10,580.85 : 14,668.42 = 10,019.08 : x
2. Step 2: Convert to fraction form
   10,580.85/14,668.42 = 10,019.08/x
3. Step 3: Cross multiply
   10,580.85x = 14,668.42 × 10,019.08
4. Step 4: Simplify right side
   10,580.85x = 146,964,073.45
5. Step 5: Solve for x
   x = 146,964,073.45/10,580.85
6. Step 6: Final answer
   x = 13,889.63