Finding the Fourth Proportional to 209,035.33, 314,947.56 and 189,067.86

Step by Step Solution

1. Step 1: Write the proportion equation
   209,035.33 : 314,947.56 = 189,067.86 : x
2. Step 2: Convert to fraction form
   209,035.33/314,947.56 = 189,067.86/x
3. Step 3: Cross multiply
   209,035.33x = 314,947.56 × 189,067.86
4. Step 4: Simplify right side
   209,035.33x = 59,546,461,181.42
5. Step 5: Solve for x
   x = 59,546,461,181.42/209,035.33
6. Step 6: Final answer
   x = 284,863.15