Finding the Fourth Proportional to 162,468.16, 243,608.43 and 50,118.21

Step by Step Solution

1. Step 1: Write the proportion equation
   162,468.16 : 243,608.43 = 50,118.21 : x
2. Step 2: Convert to fraction form
   162,468.16/243,608.43 = 50,118.21/x
3. Step 3: Cross multiply
   162,468.16x = 243,608.43 × 50,118.21
4. Step 4: Simplify right side
   162,468.16x = 12,209,218,452.51
5. Step 5: Solve for x
   x = 12,209,218,452.51/162,468.16
6. Step 6: Final answer
   x = 75,148.38