Finding the Fourth Proportional to 465,633.35, 642,429.61 and 271,901.31

Step by Step Solution

1. Step 1: Write the proportion equation
   465,633.35 : 642,429.61 = 271,901.31 : x
2. Step 2: Convert to fraction form
   465,633.35/642,429.61 = 271,901.31/x
3. Step 3: Cross multiply
   465,633.35x = 642,429.61 × 271,901.31
4. Step 4: Simplify right side
   465,633.35x = 174,677,452,871.67
5. Step 5: Solve for x
   x = 174,677,452,871.67/465,633.35
6. Step 6: Final answer
   x = 375,139.48