Finding the Fourth Proportional to 118,196.01, 163,112.54 and 64,481.47

Step by Step Solution

1. Step 1: Write the proportion equation
   118,196.01 : 163,112.54 = 64,481.47 : x
2. Step 2: Convert to fraction form
   118,196.01/163,112.54 = 64,481.47/x
3. Step 3: Cross multiply
   118,196.01x = 163,112.54 × 64,481.47
4. Step 4: Simplify right side
   118,196.01x = 10,517,735,624.45
5. Step 5: Solve for x
   x = 10,517,735,624.45/118,196.01
6. Step 6: Final answer
   x = 88,985.54