Finding the Fourth Proportional to 130,908.71, 196,196.81 and 67,716.96

Step by Step Solution

1. Step 1: Write the proportion equation
   130,908.71 : 196,196.81 = 67,716.96 : x
2. Step 2: Convert to fraction form
   130,908.71/196,196.81 = 67,716.96/x
3. Step 3: Cross multiply
   130,908.71x = 196,196.81 × 67,716.96
4. Step 4: Simplify right side
   130,908.71x = 13,285,851,196.31
5. Step 5: Solve for x
   x = 13,285,851,196.31/130,908.71
6. Step 6: Final answer
   x = 101,489.44