Finding the Fourth Proportional to 14,212.50, 19,613.01 and 7,839.71

Step by Step Solution

1. Step 1: Write the proportion equation
   14,212.50 : 19,613.01 = 7,839.71 : x
2. Step 2: Convert to fraction form
   14,212.50/19,613.01 = 7,839.71/x
3. Step 3: Cross multiply
   14,212.50x = 19,613.01 × 7,839.71
4. Step 4: Simplify right side
   14,212.50x = 153,760,212.56
5. Step 5: Solve for x
   x = 153,760,212.56/14,212.50
6. Step 6: Final answer
   x = 10,818.66