Finding the Fourth Proportional to 850,632.72, 1,173,872.50 and 468,659.50

Step by Step Solution

1. Step 1: Write the proportion equation
   850,632.72 : 1,173,872.50 = 468,659.50 : x
2. Step 2: Convert to fraction form
   850,632.72/1,173,872.50 = 468,659.50/x
3. Step 3: Cross multiply
   850,632.72x = 1,173,872.50 × 468,659.50
4. Step 4: Simplify right side
   850,632.72x = 550,146,498,913.75
5. Step 5: Solve for x
   x = 550,146,498,913.75/850,632.72
6. Step 6: Final answer
   x = 646,749.75