Finding the Fourth Proportional to 13,996.34, 19,314.69 and 7,708.58

Step by Step Solution

1. Step 1: Write the proportion equation
   13,996.34 : 19,314.69 = 7,708.58 : x
2. Step 2: Convert to fraction form
   13,996.34/19,314.69 = 7,708.58/x
3. Step 3: Cross multiply
   13,996.34x = 19,314.69 × 7,708.58
4. Step 4: Simplify right side
   13,996.34x = 148,888,833.04
5. Step 5: Solve for x
   x = 148,888,833.04/13,996.34
6. Step 6: Final answer
   x = 10,637.70