Finding the Fourth Proportional to 250,932.52, 346,287.42 and 148,978.48

Step by Step Solution

1. Step 1: Write the proportion equation
   250,932.52 : 346,287.42 = 148,978.48 : x
2. Step 2: Convert to fraction form
   250,932.52/346,287.42 = 148,978.48/x
3. Step 3: Cross multiply
   250,932.52x = 346,287.42 × 148,978.48
4. Step 4: Simplify right side
   250,932.52x = 51,589,373,474.72
5. Step 5: Solve for x
   x = 51,589,373,474.72/250,932.52
6. Step 6: Final answer
   x = 205,590.62