Finding the Fourth Proportional to 209,298.33, 288,823.59 and 113,805.27

Step by Step Solution

1. Step 1: Write the proportion equation
   209,298.33 : 288,823.59 = 113,805.27 : x
2. Step 2: Convert to fraction form
   209,298.33/288,823.59 = 113,805.27/x
3. Step 3: Cross multiply
   209,298.33x = 288,823.59 × 113,805.27
4. Step 4: Simplify right side
   209,298.33x = 32,869,646,642.32
5. Step 5: Solve for x
   x = 32,869,646,642.32/209,298.33
6. Step 6: Final answer
   x = 157,046.87