Finding the Fourth Proportional to 213,587.39, 294,724.82 and 118,081.10

Step by Step Solution

1. Step 1: Write the proportion equation
   213,587.39 : 294,724.82 = 118,081.10 : x
2. Step 2: Convert to fraction form
   213,587.39/294,724.82 = 118,081.10/x
3. Step 3: Cross multiply
   213,587.39x = 294,724.82 × 118,081.10
4. Step 4: Simplify right side
   213,587.39x = 34,801,428,878.87
5. Step 5: Solve for x
   x = 34,801,428,878.87/213,587.39
6. Step 6: Final answer
   x = 162,937.66