Finding the Fourth Proportional to 279,255.06, 385,372.89 and 151,930.62

Step by Step Solution

1. Step 1: Write the proportion equation
   279,255.06 : 385,372.89 = 151,930.62 : x
2. Step 2: Convert to fraction form
   279,255.06/385,372.89 = 151,930.62/x
3. Step 3: Cross multiply
   279,255.06x = 385,372.89 × 151,930.62
4. Step 4: Simplify right side
   279,255.06x = 58,549,942,108.89
5. Step 5: Solve for x
   x = 58,549,942,108.89/279,255.06
6. Step 6: Final answer
   x = 209,664.75