Finding the Fourth Proportional to 828,162.06, 1,142,856.78 and 465,587.54

Step by Step Solution

1. Step 1: Write the proportion equation
   828,162.06 : 1,142,856.78 = 465,587.54 : x
2. Step 2: Convert to fraction form
   828,162.06/1,142,856.78 = 465,587.54/x
3. Step 3: Cross multiply
   828,162.06x = 1,142,856.78 × 465,587.54
4. Step 4: Simplify right side
   828,162.06x = 532,099,876,772.52
5. Step 5: Solve for x
   x = 532,099,876,772.52/828,162.06
6. Step 6: Final answer
   x = 642,506.95