Finding the Fourth Proportional to 250,490.82, 345,640.42 and 152,323.98

Step by Step Solution

1. Step 1: Write the proportion equation
   250,490.82 : 345,640.42 = 152,323.98 : x
2. Step 2: Convert to fraction form
   250,490.82/345,640.42 = 152,323.98/x
3. Step 3: Cross multiply
   250,490.82x = 345,640.42 × 152,323.98
4. Step 4: Simplify right side
   250,490.82x = 52,649,323,661.65
5. Step 5: Solve for x
   x = 52,649,323,661.65/250,490.82
6. Step 6: Final answer
   x = 210,184.64