Finding the Fourth Proportional to 134,923.86, 186,193.69 and 74,493.20

Step by Step Solution

1. Step 1: Write the proportion equation
   134,923.86 : 186,193.69 = 74,493.20 : x
2. Step 2: Convert to fraction form
   134,923.86/186,193.69 = 74,493.20/x
3. Step 3: Cross multiply
   134,923.86x = 186,193.69 × 74,493.20
4. Step 4: Simplify right side
   134,923.86x = 13,870,164,067.16
5. Step 5: Solve for x
   x = 13,870,164,067.16/134,923.86
6. Step 6: Final answer
   x = 102,799.94