Finding the Fourth Proportional to 279,443.33, 385,629.86 and 152,118.62

Step by Step Solution

1. Step 1: Write the proportion equation
   279,443.33 : 385,629.86 = 152,118.62 : x
2. Step 2: Convert to fraction form
   279,443.33/385,629.86 = 152,118.62/x
3. Step 3: Cross multiply
   279,443.33x = 385,629.86 × 152,118.62
4. Step 4: Simplify right side
   279,443.33x = 58,661,481,373.40
5. Step 5: Solve for x
   x = 58,661,481,373.40/279,443.33
6. Step 6: Final answer
   x = 209,922.64