Finding the Fourth Proportional to 118,181.83, 163,091.97 and 64,467.09

Step by Step Solution

1. Step 1: Write the proportion equation
   118,181.83 : 163,091.97 = 64,467.09 : x
2. Step 2: Convert to fraction form
   118,181.83/163,091.97 = 64,467.09/x
3. Step 3: Cross multiply
   118,181.83x = 163,091.97 × 64,467.09
4. Step 4: Simplify right side
   118,181.83x = 10,514,064,708.27
5. Step 5: Solve for x
   x = 10,514,064,708.27/118,181.83
6. Step 6: Final answer
   x = 88,965.15