Finding the Fourth Proportional to 117,704.02, 162,434.73 and 63,992.72

Step by Step Solution

1. Step 1: Write the proportion equation
   117,704.02 : 162,434.73 = 63,992.72 : x
2. Step 2: Convert to fraction form
   117,704.02/162,434.73 = 63,992.72/x
3. Step 3: Cross multiply
   117,704.02x = 162,434.73 × 63,992.72
4. Step 4: Simplify right side
   117,704.02x = 10,394,640,195.17
5. Step 5: Solve for x
   x = 10,394,640,195.17/117,704.02
6. Step 6: Final answer
   x = 88,311.68