Finding the Fourth Proportional to 422,402.48, 635,401.71 and 382,897.83

Step by Step Solution

1. Step 1: Write the proportion equation
   422,402.48 : 635,401.71 = 382,897.83 : x
2. Step 2: Convert to fraction form
   422,402.48/635,401.71 = 382,897.83/x
3. Step 3: Cross multiply
   422,402.48x = 635,401.71 × 382,897.83
4. Step 4: Simplify right side
   422,402.48x = 243,293,935,937.29
5. Step 5: Solve for x
   x = 243,293,935,937.29/422,402.48
6. Step 6: Final answer
   x = 575,976.59