Finding the Fourth Proportional to 250,525, 345,905.94 and 161,256.52

Step by Step Solution

1. Step 1: Write the proportion equation
   250,525 : 345,905.94 = 161,256.52 : x
2. Step 2: Convert to fraction form
   250,525/345,905.94 = 161,256.52/x
3. Step 3: Cross multiply
   250,525x = 345,905.94 × 161,256.52
4. Step 4: Simplify right side
   250,525x = 55,779,588,131.73
5. Step 5: Solve for x
   x = 55,779,588,131.73/250,525
6. Step 6: Final answer
   x = 222,650.79