Finding the Fourth Proportional to 149,155.52, 205,910.79 and 115,087.46

Step by Step Solution

1. Step 1: Write the proportion equation
   149,155.52 : 205,910.79 = 115,087.46 : x
2. Step 2: Convert to fraction form
   149,155.52/205,910.79 = 115,087.46/x
3. Step 3: Cross multiply
   149,155.52x = 205,910.79 × 115,087.46
4. Step 4: Simplify right side
   149,155.52x = 23,697,749,807.69
5. Step 5: Solve for x
   x = 23,697,749,807.69/149,155.52
6. Step 6: Final answer
   x = 158,879.47