Finding the Fourth Proportional to 279,827.58, 386,150.79 and 152,500.42

Step by Step Solution

1. Step 1: Write the proportion equation
   279,827.58 : 386,150.79 = 152,500.42 : x
2. Step 2: Convert to fraction form
   279,827.58/386,150.79 = 152,500.42/x
3. Step 3: Cross multiply
   279,827.58x = 386,150.79 × 152,500.42
4. Step 4: Simplify right side
   279,827.58x = 58,888,157,658.33
5. Step 5: Solve for x
   x = 58,888,157,658.33/279,827.58
6. Step 6: Final answer
   x = 210,444.44