Finding the Fourth Proportional to 162,012.25, 243,059.41 and 49,698.21

Step by Step Solution

1. Step 1: Write the proportion equation
   162,012.25 : 243,059.41 = 49,698.21 : x
2. Step 2: Convert to fraction form
   162,012.25/243,059.41 = 49,698.21/x
3. Step 3: Cross multiply
   162,012.25x = 243,059.41 × 49,698.21
4. Step 4: Simplify right side
   162,012.25x = 12,079,617,067.27
5. Step 5: Solve for x
   x = 12,079,617,067.27/162,012.25
6. Step 6: Final answer
   x = 74,559.90