Finding the Fourth Proportional to 469,238.05, 647,551.83 and 254,381.50

Step by Step Solution

1. Step 1: Write the proportion equation
   469,238.05 : 647,551.83 = 254,381.50 : x
2. Step 2: Convert to fraction form
   469,238.05/647,551.83 = 254,381.50/x
3. Step 3: Cross multiply
   469,238.05x = 647,551.83 × 254,381.50
4. Step 4: Simplify right side
   469,238.05x = 164,725,205,843.15
5. Step 5: Solve for x
   x = 164,725,205,843.15/469,238.05
6. Step 6: Final answer
   x = 351,048.27