Finding the Fourth Proportional to 279,650.88, 385,922.72 and 152,326.56

Step by Step Solution

1. Step 1: Write the proportion equation
   279,650.88 : 385,922.72 = 152,326.56 : x
2. Step 2: Convert to fraction form
   279,650.88/385,922.72 = 152,326.56/x
3. Step 3: Cross multiply
   279,650.88x = 385,922.72 × 152,326.56
4. Step 4: Simplify right side
   279,650.88x = 58,786,280,363.44
5. Step 5: Solve for x
   x = 58,786,280,363.44/279,650.88
6. Step 6: Final answer
   x = 210,213.11