Finding the Fourth Proportional to 117,111.41, 161,612.98 and 63,395.25

Step by Step Solution

1. Step 1: Write the proportion equation
   117,111.41 : 161,612.98 = 63,395.25 : x
2. Step 2: Convert to fraction form
   117,111.41/161,612.98 = 63,395.25/x
3. Step 3: Cross multiply
   117,111.41x = 161,612.98 × 63,395.25
4. Step 4: Simplify right side
   117,111.41x = 10,245,495,270.35
5. Step 5: Solve for x
   x = 10,245,495,270.35/117,111.41
6. Step 6: Final answer
   x = 87,485.03