Finding the Fourth Proportional to 279,391.46, 385,560.18 and 152,067.98

Step by Step Solution

1. Step 1: Write the proportion equation
   279,391.46 : 385,560.18 = 152,067.98 : x
2. Step 2: Convert to fraction form
   279,391.46/385,560.18 = 152,067.98/x
3. Step 3: Cross multiply
   279,391.46x = 385,560.18 × 152,067.98
4. Step 4: Simplify right side
   279,391.46x = 58,631,357,741.04
5. Step 5: Solve for x
   x = 58,631,357,741.04/279,391.46
6. Step 6: Final answer
   x = 209,853.79