Finding the Fourth Proportional to 117,196.01, 161,730.55 and 63,480.86

Step by Step Solution

1. Step 1: Write the proportion equation
   117,196.01 : 161,730.55 = 63,480.86 : x
2. Step 2: Convert to fraction form
   117,196.01/161,730.55 = 63,480.86/x
3. Step 3: Cross multiply
   117,196.01x = 161,730.55 × 63,480.86
4. Step 4: Simplify right side
   117,196.01x = 10,266,794,402.27
5. Step 5: Solve for x
   x = 10,266,794,402.27/117,196.01
6. Step 6: Final answer
   x = 87,603.62