Finding the Fourth Proportional to 663,626.52, 995,443.40 and 164,990.52

Step by Step Solution

1. Step 1: Write the proportion equation
   663,626.52 : 995,443.40 = 164,990.52 : x
2. Step 2: Convert to fraction form
   663,626.52/995,443.40 = 164,990.52/x
3. Step 3: Cross multiply
   663,626.52x = 995,443.40 × 164,990.52
4. Step 4: Simplify right side
   663,626.52x = 164,238,724,196.57
5. Step 5: Solve for x
   x = 164,238,724,196.57/663,626.52
6. Step 6: Final answer
   x = 247,486.68