Finding the Fourth Proportional to 162,408.69, 243,626.63 and 42,465.41

Step by Step Solution

1. Step 1: Write the proportion equation
   162,408.69 : 243,626.63 = 42,465.41 : x
2. Step 2: Convert to fraction form
   162,408.69/243,626.63 = 42,465.41/x
3. Step 3: Cross multiply
   162,408.69x = 243,626.63 × 42,465.41
4. Step 4: Simplify right side
   162,408.69x = 10,345,704,213.01
5. Step 5: Solve for x
   x = 10,345,704,213.01/162,408.69
6. Step 6: Final answer
   x = 63,701.67