Finding the Fourth Proportional to 573,494.99, 860,186.89 and 174,139.27

Step by Step Solution

1. Step 1: Write the proportion equation
   573,494.99 : 860,186.89 = 174,139.27 : x
2. Step 2: Convert to fraction form
   573,494.99/860,186.89 = 174,139.27/x
3. Step 3: Cross multiply
   573,494.99x = 860,186.89 × 174,139.27
4. Step 4: Simplify right side
   573,494.99x = 149,792,315,155.38
5. Step 5: Solve for x
   x = 149,792,315,155.38/573,494.99
6. Step 6: Final answer
   x = 261,192.02