Finding the Fourth Proportional to 14,213.34, 19,613.48 and 7,839.59

Step by Step Solution

1. Step 1: Write the proportion equation
   14,213.34 : 19,613.48 = 7,839.59 : x
2. Step 2: Convert to fraction form
   14,213.34/19,613.48 = 7,839.59/x
3. Step 3: Cross multiply
   14,213.34x = 19,613.48 × 7,839.59
4. Step 4: Simplify right side
   14,213.34x = 153,761,504.41
5. Step 5: Solve for x
   x = 153,761,504.41/14,213.34
6. Step 6: Final answer
   x = 10,818.11