Finding the Fourth Proportional to 108,144, 149,196.96 and 67,841.28

Step by Step Solution

1. Step 1: Write the proportion equation
   108,144 : 149,196.96 = 67,841.28 : x
2. Step 2: Convert to fraction form
   108,144/149,196.96 = 67,841.28/x
3. Step 3: Cross multiply
   108,144x = 149,196.96 × 67,841.28
4. Step 4: Simplify right side
   108,144x = 10,121,712,738.51
5. Step 5: Solve for x
   x = 10,121,712,738.51/108,144
6. Step 6: Final answer
   x = 93,594.77