Finding the Fourth Proportional to 448,931.31, 619,538.37 and 244,995.42

Step by Step Solution

1. Step 1: Write the proportion equation
   448,931.31 : 619,538.37 = 244,995.42 : x
2. Step 2: Convert to fraction form
   448,931.31/619,538.37 = 244,995.42/x
3. Step 3: Cross multiply
   448,931.31x = 619,538.37 × 244,995.42
4. Step 4: Simplify right side
   448,931.31x = 151,784,063,164.27
5. Step 5: Solve for x
   x = 151,784,063,164.27/448,931.31
6. Step 6: Final answer
   x = 338,100.86