Finding the Fourth Proportional to 117,986.27, 162,823.57 and 64,271.17

Step by Step Solution

1. Step 1: Write the proportion equation
   117,986.27 : 162,823.57 = 64,271.17 : x
2. Step 2: Convert to fraction form
   117,986.27/162,823.57 = 64,271.17/x
3. Step 3: Cross multiply
   117,986.27x = 162,823.57 × 64,271.17
4. Step 4: Simplify right side
   117,986.27x = 10,464,861,390.33
5. Step 5: Solve for x
   x = 10,464,861,390.33/117,986.27
6. Step 6: Final answer
   x = 88,695.59