Finding the Fourth Proportional to 286,870.42, 395,886.27 and 159,546.07

Step by Step Solution

1. Step 1: Write the proportion equation
   286,870.42 : 395,886.27 = 159,546.07 : x
2. Step 2: Convert to fraction form
   286,870.42/395,886.27 = 159,546.07/x
3. Step 3: Cross multiply
   286,870.42x = 395,886.27 × 159,546.07
4. Step 4: Simplify right side
   286,870.42x = 63,162,098,545.46
5. Step 5: Solve for x
   x = 63,162,098,545.46/286,870.42
6. Step 6: Final answer
   x = 220,176.41