Finding the Fourth Proportional to 118,327.96, 163,292.56 and 64,613.02

Step by Step Solution

1. Step 1: Write the proportion equation
   118,327.96 : 163,292.56 = 64,613.02 : x
2. Step 2: Convert to fraction form
   118,327.96/163,292.56 = 64,613.02/x
3. Step 3: Cross multiply
   118,327.96x = 163,292.56 × 64,613.02
4. Step 4: Simplify right side
   118,327.96x = 10,550,824,722.28
5. Step 5: Solve for x
   x = 10,550,824,722.28/118,327.96
6. Step 6: Final answer
   x = 89,165.94