Finding the Fourth Proportional to 108,443.68, 149,654.96 and 60,696.64

Step by Step Solution

1. Step 1: Write the proportion equation
   108,443.68 : 149,654.96 = 60,696.64 : x
2. Step 2: Convert to fraction form
   108,443.68/149,654.96 = 60,696.64/x
3. Step 3: Cross multiply
   108,443.68x = 149,654.96 × 60,696.64
4. Step 4: Simplify right side
   108,443.68x = 9,083,553,231.33
5. Step 5: Solve for x
   x = 9,083,553,231.33/108,443.68
6. Step 6: Final answer
   x = 83,762.86