Finding the Fourth Proportional to 118,322.33, 163,291.46 and 64,612.35

Step by Step Solution

1. Step 1: Write the proportion equation
   118,322.33 : 163,291.46 = 64,612.35 : x
2. Step 2: Convert to fraction form
   118,322.33/163,291.46 = 64,612.35/x
3. Step 3: Cross multiply
   118,322.33x = 163,291.46 × 64,612.35
4. Step 4: Simplify right side
   118,322.33x = 10,550,644,642.47
5. Step 5: Solve for x
   x = 10,550,644,642.47/118,322.33
6. Step 6: Final answer
   x = 89,168.67