Finding the Fourth Proportional to 250,301.68, 345,139.59 and 159,513.91

Step by Step Solution

1. Step 1: Write the proportion equation
   250,301.68 : 345,139.59 = 159,513.91 : x
2. Step 2: Convert to fraction form
   250,301.68/345,139.59 = 159,513.91/x
3. Step 3: Cross multiply
   250,301.68x = 345,139.59 × 159,513.91
4. Step 4: Simplify right side
   250,301.68x = 55,054,565,496.70
5. Step 5: Solve for x
   x = 55,054,565,496.70/250,301.68
6. Step 6: Final answer
   x = 219,952.84