Finding the Fourth Proportional to 250,314.78, 345,427.28 and 146,947.32

Step by Step Solution

1. Step 1: Write the proportion equation
   250,314.78 : 345,427.28 = 146,947.32 : x
2. Step 2: Convert to fraction form
   250,314.78/345,427.28 = 146,947.32/x
3. Step 3: Cross multiply
   250,314.78x = 345,427.28 × 146,947.32
4. Step 4: Simplify right side
   250,314.78x = 50,759,613,050.89
5. Step 5: Solve for x
   x = 50,759,613,050.89/250,314.78
6. Step 6: Final answer
   x = 202,783.12