Finding the Fourth Proportional to 134,150.93, 185,145.78 and 86,542.77

Step by Step Solution

1. Step 1: Write the proportion equation
   134,150.93 : 185,145.78 = 86,542.77 : x
2. Step 2: Convert to fraction form
   134,150.93/185,145.78 = 86,542.77/x
3. Step 3: Cross multiply
   134,150.93x = 185,145.78 × 86,542.77
4. Step 4: Simplify right side
   134,150.93x = 16,023,028,222.30
5. Step 5: Solve for x
   x = 16,023,028,222.30/134,150.93
6. Step 6: Final answer
   x = 119,440.31