Finding the Fourth Proportional to 250,702.80, 345,944.52 and 141,819

Step by Step Solution

1. Step 1: Write the proportion equation
   250,702.80 : 345,944.52 = 141,819 : x
2. Step 2: Convert to fraction form
   250,702.80/345,944.52 = 141,819/x
3. Step 3: Cross multiply
   250,702.80x = 345,944.52 × 141,819
4. Step 4: Simplify right side
   250,702.80x = 49,061,505,881.88
5. Step 5: Solve for x
   x = 49,061,505,881.88/250,702.80
6. Step 6: Final answer
   x = 195,695.88