Finding the Fourth Proportional to 445,932.50, 615,383.72 and 241,978.23

Step by Step Solution

1. Step 1: Write the proportion equation
   445,932.50 : 615,383.72 = 241,978.23 : x
2. Step 2: Convert to fraction form
   445,932.50/615,383.72 = 241,978.23/x
3. Step 3: Cross multiply
   445,932.50x = 615,383.72 × 241,978.23
4. Step 4: Simplify right side
   445,932.50x = 148,909,463,336.42
5. Step 5: Solve for x
   x = 148,909,463,336.42/445,932.50
6. Step 6: Final answer
   x = 333,928.26