Finding the Fourth Proportional to 117,684.89, 162,403.22 and 63,971.25

Step by Step Solution

1. Step 1: Write the proportion equation
   117,684.89 : 162,403.22 = 63,971.25 : x
2. Step 2: Convert to fraction form
   117,684.89/162,403.22 = 63,971.25/x
3. Step 3: Cross multiply
   117,684.89x = 162,403.22 × 63,971.25
4. Step 4: Simplify right side
   117,684.89x = 10,389,136,667.57
5. Step 5: Solve for x
   x = 10,389,136,667.57/117,684.89
6. Step 6: Final answer
   x = 88,279.28