Finding the Fourth Proportional to 269,662.52, 372,119.74 and 148,780.12

Step by Step Solution

1. Step 1: Write the proportion equation
   269,662.52 : 372,119.74 = 148,780.12 : x
2. Step 2: Convert to fraction form
   269,662.52/372,119.74 = 148,780.12/x
3. Step 3: Cross multiply
   269,662.52x = 372,119.74 × 148,780.12
4. Step 4: Simplify right side
   269,662.52x = 55,364,019,571.57
5. Step 5: Solve for x
   x = 55,364,019,571.57/269,662.52
6. Step 6: Final answer
   x = 205,308.54