Finding the Fourth Proportional to 424,146.80, 635,753.64 and 174,692.72

Step by Step Solution

1. Step 1: Write the proportion equation
   424,146.80 : 635,753.64 = 174,692.72 : x
2. Step 2: Convert to fraction form
   424,146.80/635,753.64 = 174,692.72/x
3. Step 3: Cross multiply
   424,146.80x = 635,753.64 × 174,692.72
4. Step 4: Simplify right side
   424,146.80x = 111,061,532,621.50
5. Step 5: Solve for x
   x = 111,061,532,621.50/424,146.80
6. Step 6: Final answer
   x = 261,846.92