Finding the Fourth Proportional to 250,273.32, 345,100.42 and 159,485.47

Step by Step Solution

1. Step 1: Write the proportion equation
   250,273.32 : 345,100.42 = 159,485.47 : x
2. Step 2: Convert to fraction form
   250,273.32/345,100.42 = 159,485.47/x
3. Step 3: Cross multiply
   250,273.32x = 345,100.42 × 159,485.47
4. Step 4: Simplify right side
   250,273.32x = 55,038,502,680.90
5. Step 5: Solve for x
   x = 55,038,502,680.90/250,273.32
6. Step 6: Final answer
   x = 219,913.58