Finding the Fourth Proportional to 162,621.86, 243,929.82 and 67,902.98

Step by Step Solution

1. Step 1: Write the proportion equation
   162,621.86 : 243,929.82 = 67,902.98 : x
2. Step 2: Convert to fraction form
   162,621.86/243,929.82 = 67,902.98/x
3. Step 3: Cross multiply
   162,621.86x = 243,929.82 × 67,902.98
4. Step 4: Simplify right side
   162,621.86x = 16,563,561,688.86
5. Step 5: Solve for x
   x = 16,563,561,688.86/162,621.86
6. Step 6: Final answer
   x = 101,853.23