Finding the Fourth Proportional to 118,297.57, 163,249.82 and 64,582.59

Step by Step Solution

1. Step 1: Write the proportion equation
   118,297.57 : 163,249.82 = 64,582.59 : x
2. Step 2: Convert to fraction form
   118,297.57/163,249.82 = 64,582.59/x
3. Step 3: Cross multiply
   118,297.57x = 163,249.82 × 64,582.59
4. Step 4: Simplify right side
   118,297.57x = 10,543,096,111.91
5. Step 5: Solve for x
   x = 10,543,096,111.91/118,297.57
6. Step 6: Final answer
   x = 89,123.52