Finding the Fourth Proportional to 151,155.74, 226,636.41 and 72,268.22

Step by Step Solution

1. Step 1: Write the proportion equation
   151,155.74 : 226,636.41 = 72,268.22 : x
2. Step 2: Convert to fraction form
   151,155.74/226,636.41 = 72,268.22/x
3. Step 3: Cross multiply
   151,155.74x = 226,636.41 × 72,268.22
4. Step 4: Simplify right side
   151,155.74x = 16,378,609,937.89
5. Step 5: Solve for x
   x = 16,378,609,937.89/151,155.74
6. Step 6: Final answer
   x = 108,355.86