Finding the Fourth Proportional to 515,443.50, 773,179.83 and 141,466.50

Step by Step Solution

1. Step 1: Write the proportion equation
   515,443.50 : 773,179.83 = 141,466.50 : x
2. Step 2: Convert to fraction form
   515,443.50/773,179.83 = 141,466.50/x
3. Step 3: Cross multiply
   515,443.50x = 773,179.83 × 141,466.50
4. Step 4: Simplify right side
   515,443.50x = 109,379,044,420.70
5. Step 5: Solve for x
   x = 109,379,044,420.70/515,443.50
6. Step 6: Final answer
   x = 212,203.75