Finding the Fourth Proportional to 250,076.10, 345,092.58 and 142,642.14

Step by Step Solution

1. Step 1: Write the proportion equation
   250,076.10 : 345,092.58 = 142,642.14 : x
2. Step 2: Convert to fraction form
   250,076.10/345,092.58 = 142,642.14/x
3. Step 3: Cross multiply
   250,076.10x = 345,092.58 × 142,642.14
4. Step 4: Simplify right side
   250,076.10x = 49,224,744,109.32
5. Step 5: Solve for x
   x = 49,224,744,109.32/250,076.10
6. Step 6: Final answer
   x = 196,839.06