Finding the Fourth Proportional to 13,996.08, 19,314.72 and 7,708.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,996.08 : 19,314.72 = 7,708.56 : x
2. Step 2: Convert to fraction form
   13,996.08/19,314.72 = 7,708.56/x
3. Step 3: Cross multiply
   13,996.08x = 19,314.72 × 7,708.56
4. Step 4: Simplify right side
   13,996.08x = 148,888,678.00
5. Step 5: Solve for x
   x = 148,888,678.00/13,996.08
6. Step 6: Final answer
   x = 10,637.88