Finding the Fourth Proportional to 250,500.06, 345,698.07 and 137,321.82

Step by Step Solution

1. Step 1: Write the proportion equation
   250,500.06 : 345,698.07 = 137,321.82 : x
2. Step 2: Convert to fraction form
   250,500.06/345,698.07 = 137,321.82/x
3. Step 3: Cross multiply
   250,500.06x = 345,698.07 × 137,321.82
4. Step 4: Simplify right side
   250,500.06x = 47,471,888,142.89
5. Step 5: Solve for x
   x = 47,471,888,142.89/250,500.06
6. Step 6: Final answer
   x = 189,508.49