Finding the Fourth Proportional to 117,443.47, 162,073.16 and 63,728.94

Step by Step Solution

1. Step 1: Write the proportion equation
   117,443.47 : 162,073.16 = 63,728.94 : x
2. Step 2: Convert to fraction form
   117,443.47/162,073.16 = 63,728.94/x
3. Step 3: Cross multiply
   117,443.47x = 162,073.16 × 63,728.94
4. Step 4: Simplify right side
   117,443.47x = 10,328,750,689.25
5. Step 5: Solve for x
   x = 10,328,750,689.25/117,443.47
6. Step 6: Final answer
   x = 87,946.57