Finding the Fourth Proportional to 117,895.72, 162,648.02 and 72,560.02

Step by Step Solution

1. Step 1: Write the proportion equation
   117,895.72 : 162,648.02 = 72,560.02 : x
2. Step 2: Convert to fraction form
   117,895.72/162,648.02 = 72,560.02/x
3. Step 3: Cross multiply
   117,895.72x = 162,648.02 × 72,560.02
4. Step 4: Simplify right side
   117,895.72x = 11,801,743,584.16
5. Step 5: Solve for x
   x = 11,801,743,584.16/117,895.72
6. Step 6: Final answer
   x = 100,103.24