Finding the Fourth Proportional to 162,434.82, 243,488.61 and 67,717.41

Step by Step Solution

1. Step 1: Write the proportion equation
   162,434.82 : 243,488.61 = 67,717.41 : x
2. Step 2: Convert to fraction form
   162,434.82/243,488.61 = 67,717.41/x
3. Step 3: Cross multiply
   162,434.82x = 243,488.61 × 67,717.41
4. Step 4: Simplify right side
   162,434.82x = 16,488,418,033.70
5. Step 5: Solve for x
   x = 16,488,418,033.70/162,434.82
6. Step 6: Final answer
   x = 101,507.90