Finding the Fourth Proportional to 117,426.78, 162,043.83 and 67,129.02

Step by Step Solution

1. Step 1: Write the proportion equation
   117,426.78 : 162,043.83 = 67,129.02 : x
2. Step 2: Convert to fraction form
   117,426.78/162,043.83 = 67,129.02/x
3. Step 3: Cross multiply
   117,426.78x = 162,043.83 × 67,129.02
4. Step 4: Simplify right side
   117,426.78x = 10,877,843,504.95
5. Step 5: Solve for x
   x = 10,877,843,504.95/117,426.78
6. Step 6: Final answer
   x = 92,635.12