Finding the Fourth Proportional to 253,216.69, 349,485.77 and 162,685.82

Step by Step Solution

1. Step 1: Write the proportion equation
   253,216.69 : 349,485.77 = 162,685.82 : x
2. Step 2: Convert to fraction form
   253,216.69/349,485.77 = 162,685.82/x
3. Step 3: Cross multiply
   253,216.69x = 349,485.77 × 162,685.82
4. Step 4: Simplify right side
   253,216.69x = 56,856,379,477.50
5. Step 5: Solve for x
   x = 56,856,379,477.50/253,216.69
6. Step 6: Final answer
   x = 224,536.47