Finding the Fourth Proportional to 185,796.72, 256,355.55 and 109,319.15

Step by Step Solution

1. Step 1: Write the proportion equation
   185,796.72 : 256,355.55 = 109,319.15 : x
2. Step 2: Convert to fraction form
   185,796.72/256,355.55 = 109,319.15/x
3. Step 3: Cross multiply
   185,796.72x = 256,355.55 × 109,319.15
4. Step 4: Simplify right side
   185,796.72x = 28,024,571,464.67
5. Step 5: Solve for x
   x = 28,024,571,464.67/185,796.72
6. Step 6: Final answer
   x = 150,834.59