Finding the Fourth Proportional to 162,859.39, 243,928.18 and 125,141.83

Step by Step Solution

1. Step 1: Write the proportion equation
   162,859.39 : 243,928.18 = 125,141.83 : x
2. Step 2: Convert to fraction form
   162,859.39/243,928.18 = 125,141.83/x
3. Step 3: Cross multiply
   162,859.39x = 243,928.18 × 125,141.83
4. Step 4: Simplify right side
   162,859.39x = 30,525,618,833.77
5. Step 5: Solve for x
   x = 30,525,618,833.77/162,859.39
6. Step 6: Final answer
   x = 187,435.42