Finding the Fourth Proportional to 14,116.33, 19,480.57 and 7,742.98

Step by Step Solution

1. Step 1: Write the proportion equation
   14,116.33 : 19,480.57 = 7,742.98 : x
2. Step 2: Convert to fraction form
   14,116.33/19,480.57 = 7,742.98/x
3. Step 3: Cross multiply
   14,116.33x = 19,480.57 × 7,742.98
4. Step 4: Simplify right side
   14,116.33x = 150,837,668.89
5. Step 5: Solve for x
   x = 150,837,668.89/14,116.33
6. Step 6: Final answer
   x = 10,685.33