Finding the Fourth Proportional to 250,401.76, 345,587.52 and 142,947.52

Step by Step Solution

1. Step 1: Write the proportion equation
   250,401.76 : 345,587.52 = 142,947.52 : x
2. Step 2: Convert to fraction form
   250,401.76/345,587.52 = 142,947.52/x
3. Step 3: Cross multiply
   250,401.76x = 345,587.52 × 142,947.52
4. Step 4: Simplify right side
   250,401.76x = 49,400,878,926.95
5. Step 5: Solve for x
   x = 49,400,878,926.95/250,401.76
6. Step 6: Final answer
   x = 197,286.47