Finding the Fourth Proportional to 109,686.29, 151,369.86 and 67,268.21

Step by Step Solution

1. Step 1: Write the proportion equation
   109,686.29 : 151,369.86 = 67,268.21 : x
2. Step 2: Convert to fraction form
   109,686.29/151,369.86 = 67,268.21/x
3. Step 3: Cross multiply
   109,686.29x = 151,369.86 × 67,268.21
4. Step 4: Simplify right side
   109,686.29x = 10,182,379,530.15
5. Step 5: Solve for x
   x = 10,182,379,530.15/109,686.29
6. Step 6: Final answer
   x = 92,831.83