Finding the Fourth Proportional to 257,150.86, 354,871.94 and 148,253.33

Step by Step Solution

1. Step 1: Write the proportion equation
   257,150.86 : 354,871.94 = 148,253.33 : x
2. Step 2: Convert to fraction form
   257,150.86/354,871.94 = 148,253.33/x
3. Step 3: Cross multiply
   257,150.86x = 354,871.94 × 148,253.33
4. Step 4: Simplify right side
   257,150.86x = 52,610,946,828.56
5. Step 5: Solve for x
   x = 52,610,946,828.56/257,150.86
6. Step 6: Final answer
   x = 204,591.76