Finding the Fourth Proportional to 118,924.34, 164,120.54 and 65,211.39

Step by Step Solution

1. Step 1: Write the proportion equation
   118,924.34 : 164,120.54 = 65,211.39 : x
2. Step 2: Convert to fraction form
   118,924.34/164,120.54 = 65,211.39/x
3. Step 3: Cross multiply
   118,924.34x = 164,120.54 × 65,211.39
4. Step 4: Simplify right side
   118,924.34x = 10,702,528,214.89
5. Step 5: Solve for x
   x = 10,702,528,214.89/118,924.34
6. Step 6: Final answer
   x = 89,994.43