Finding the Fourth Proportional to 607,822.56, 911,664.72 and 164,556

Step by Step Solution

1. Step 1: Write the proportion equation
   607,822.56 : 911,664.72 = 164,556 : x
2. Step 2: Convert to fraction form
   607,822.56/911,664.72 = 164,556/x
3. Step 3: Cross multiply
   607,822.56x = 911,664.72 × 164,556
4. Step 4: Simplify right side
   607,822.56x = 150,019,899,664.32
5. Step 5: Solve for x
   x = 150,019,899,664.32/607,822.56
6. Step 6: Final answer
   x = 246,815.29