Finding the Fourth Proportional to 253,670.50, 350,061 and 140,490.82

Step by Step Solution

1. Step 1: Write the proportion equation
   253,670.50 : 350,061 = 140,490.82 : x
2. Step 2: Convert to fraction form
   253,670.50/350,061 = 140,490.82/x
3. Step 3: Cross multiply
   253,670.50x = 350,061 × 140,490.82
4. Step 4: Simplify right side
   253,670.50x = 49,180,356,940.02
5. Step 5: Solve for x
   x = 49,180,356,940.02/253,670.50
6. Step 6: Final answer
   x = 193,874.96