Finding the Fourth Proportional to 279,754.11, 386,060.72 and 152,429.72

Step by Step Solution

1. Step 1: Write the proportion equation
   279,754.11 : 386,060.72 = 152,429.72 : x
2. Step 2: Convert to fraction form
   279,754.11/386,060.72 = 152,429.72/x
3. Step 3: Cross multiply
   279,754.11x = 386,060.72 × 152,429.72
4. Step 4: Simplify right side
   279,754.11x = 58,847,124,760.15
5. Step 5: Solve for x
   x = 58,847,124,760.15/279,754.11
6. Step 6: Final answer
   x = 210,353.03