Finding the Fourth Proportional to 300,085.51, 414,268.56 and 231,948.62

Step by Step Solution

1. Step 1: Write the proportion equation
   300,085.51 : 414,268.56 = 231,948.62 : x
2. Step 2: Convert to fraction form
   300,085.51/414,268.56 = 231,948.62/x
3. Step 3: Cross multiply
   300,085.51x = 414,268.56 × 231,948.62
4. Step 4: Simplify right side
   300,085.51x = 96,089,020,801.39
5. Step 5: Solve for x
   x = 96,089,020,801.39/300,085.51
6. Step 6: Final answer
   x = 320,205.47