Finding the Fourth Proportional to 269,667.45, 372,138.57 and 148,809.69

Step by Step Solution

1. Step 1: Write the proportion equation
   269,667.45 : 372,138.57 = 148,809.69 : x
2. Step 2: Convert to fraction form
   269,667.45/372,138.57 = 148,809.69/x
3. Step 3: Cross multiply
   269,667.45x = 372,138.57 × 148,809.69
4. Step 4: Simplify right side
   269,667.45x = 55,377,825,238.74
5. Step 5: Solve for x
   x = 55,377,825,238.74/269,667.45
6. Step 6: Final answer
   x = 205,355.99