Finding the Fourth Proportional to 562,978.05, 844,522.52 and 163,622.31

Step by Step Solution

1. Step 1: Write the proportion equation
   562,978.05 : 844,522.52 = 163,622.31 : x
2. Step 2: Convert to fraction form
   562,978.05/844,522.52 = 163,622.31/x
3. Step 3: Cross multiply
   562,978.05x = 844,522.52 × 163,622.31
4. Step 4: Simplify right side
   562,978.05x = 138,182,724,751.31
5. Step 5: Solve for x
   x = 138,182,724,751.31/562,978.05
6. Step 6: Final answer
   x = 245,449.58