Finding the Fourth Proportional to 108,433.16, 149,619.90 and 68,118.37

Step by Step Solution

1. Step 1: Write the proportion equation
   108,433.16 : 149,619.90 = 68,118.37 : x
2. Step 2: Convert to fraction form
   108,433.16/149,619.90 = 68,118.37/x
3. Step 3: Cross multiply
   108,433.16x = 149,619.90 × 68,118.37
4. Step 4: Simplify right side
   108,433.16x = 10,191,862,789.17
5. Step 5: Solve for x
   x = 10,191,862,789.17/108,433.16
6. Step 6: Final answer
   x = 93,992.13