Finding the Fourth Proportional to 117,429.50, 162,052.72 and 67,129.58

Step by Step Solution

1. Step 1: Write the proportion equation
   117,429.50 : 162,052.72 = 67,129.58 : x
2. Step 2: Convert to fraction form
   117,429.50/162,052.72 = 67,129.58/x
3. Step 3: Cross multiply
   117,429.50x = 162,052.72 × 67,129.58
4. Step 4: Simplify right side
   117,429.50x = 10,878,531,031.46
5. Step 5: Solve for x
   x = 10,878,531,031.46/117,429.50
6. Step 6: Final answer
   x = 92,638.83