Finding the Fourth Proportional to 162,218.18, 243,350.55 and 49,907.83

Step by Step Solution

1. Step 1: Write the proportion equation
   162,218.18 : 243,350.55 = 49,907.83 : x
2. Step 2: Convert to fraction form
   162,218.18/243,350.55 = 49,907.83/x
3. Step 3: Cross multiply
   162,218.18x = 243,350.55 × 49,907.83
4. Step 4: Simplify right side
   162,218.18x = 12,145,097,271.43
5. Step 5: Solve for x
   x = 12,145,097,271.43/162,218.18
6. Step 6: Final answer
   x = 74,868.91