Finding the Fourth Proportional to 10,668.55, 15,962.72 and 10,106

Step by Step Solution

1. Step 1: Write the proportion equation
   10,668.55 : 15,962.72 = 10,106 : x
2. Step 2: Convert to fraction form
   10,668.55/15,962.72 = 10,106/x
3. Step 3: Cross multiply
   10,668.55x = 15,962.72 × 10,106
4. Step 4: Simplify right side
   10,668.55x = 161,319,248.32
5. Step 5: Solve for x
   x = 161,319,248.32/10,668.55
6. Step 6: Final answer
   x = 15,121.02