Finding the Fourth Proportional to 118,323.33, 163,292.84 and 64,613.35

Step by Step Solution

1. Step 1: Write the proportion equation
   118,323.33 : 163,292.84 = 64,613.35 : x
2. Step 2: Convert to fraction form
   118,323.33/163,292.84 = 64,613.35/x
3. Step 3: Cross multiply
   118,323.33x = 163,292.84 × 64,613.35
4. Step 4: Simplify right side
   118,323.33x = 10,550,897,100.35
5. Step 5: Solve for x
   x = 10,550,897,100.35/118,323.33
6. Step 6: Final answer
   x = 89,170.05