Finding the Fourth Proportional to 571,401.29, 788,374.25 and 450,166.31

Step by Step Solution

1. Step 1: Write the proportion equation
   571,401.29 : 788,374.25 = 450,166.31 : x
2. Step 2: Convert to fraction form
   571,401.29/788,374.25 = 450,166.31/x
3. Step 3: Cross multiply
   571,401.29x = 788,374.25 × 450,166.31
4. Step 4: Simplify right side
   571,401.29x = 354,899,520,828.82
5. Step 5: Solve for x
   x = 354,899,520,828.82/571,401.29
6. Step 6: Final answer
   x = 621,103.82