Finding the Fourth Proportional to 501,164.52, 691,607.28 and 271,722

Step by Step Solution

1. Step 1: Write the proportion equation
   501,164.52 : 691,607.28 = 271,722 : x
2. Step 2: Convert to fraction form
   501,164.52/691,607.28 = 271,722/x
3. Step 3: Cross multiply
   501,164.52x = 691,607.28 × 271,722
4. Step 4: Simplify right side
   501,164.52x = 187,924,913,336.16
5. Step 5: Solve for x
   x = 187,924,913,336.16/501,164.52
6. Step 6: Final answer
   x = 374,976.49