Finding the Fourth Proportional to 279,794.62, 386,116.59 and 152,470.18

Step by Step Solution

1. Step 1: Write the proportion equation
   279,794.62 : 386,116.59 = 152,470.18 : x
2. Step 2: Convert to fraction form
   279,794.62/386,116.59 = 152,470.18/x
3. Step 3: Cross multiply
   279,794.62x = 386,116.59 × 152,470.18
4. Step 4: Simplify right side
   279,794.62x = 58,871,265,978.29
5. Step 5: Solve for x
   x = 58,871,265,978.29/279,794.62
6. Step 6: Final answer
   x = 210,408.86