Finding the Fourth Proportional to 118,958.16, 164,214.42 and 83,288.04

Step by Step Solution

1. Step 1: Write the proportion equation
   118,958.16 : 164,214.42 = 83,288.04 : x
2. Step 2: Convert to fraction form
   118,958.16/164,214.42 = 83,288.04/x
3. Step 3: Cross multiply
   118,958.16x = 164,214.42 × 83,288.04
4. Step 4: Simplify right side
   118,958.16x = 13,677,097,181.54
5. Step 5: Solve for x
   x = 13,677,097,181.54/118,958.16
6. Step 6: Final answer
   x = 114,974.01