Finding the Fourth Proportional to 279,443.88, 385,632.77 and 152,119.71

Step by Step Solution

1. Step 1: Write the proportion equation
   279,443.88 : 385,632.77 = 152,119.71 : x
2. Step 2: Convert to fraction form
   279,443.88/385,632.77 = 152,119.71/x
3. Step 3: Cross multiply
   279,443.88x = 385,632.77 × 152,119.71
4. Step 4: Simplify right side
   279,443.88x = 58,662,344,378.30
5. Step 5: Solve for x
   x = 58,662,344,378.30/279,443.88
6. Step 6: Final answer
   x = 209,925.31