Finding the Fourth Proportional to 118,182.69, 163,091.85 and 64,467.72

Step by Step Solution

1. Step 1: Write the proportion equation
   118,182.69 : 163,091.85 = 64,467.72 : x
2. Step 2: Convert to fraction form
   118,182.69/163,091.85 = 64,467.72/x
3. Step 3: Cross multiply
   118,182.69x = 163,091.85 × 64,467.72
4. Step 4: Simplify right side
   118,182.69x = 10,514,159,720.08
5. Step 5: Solve for x
   x = 10,514,159,720.08/118,182.69
6. Step 6: Final answer
   x = 88,965.31