Finding the Fourth Proportional to 89,100.27, 122,958.33 and 53,290.28

Step by Step Solution

1. Step 1: Write the proportion equation
   89,100.27 : 122,958.33 = 53,290.28 : x
2. Step 2: Convert to fraction form
   89,100.27/122,958.33 = 53,290.28/x
3. Step 3: Cross multiply
   89,100.27x = 122,958.33 × 53,290.28
4. Step 4: Simplify right side
   89,100.27x = 6,552,483,834.03
5. Step 5: Solve for x
   x = 6,552,483,834.03/89,100.27
6. Step 6: Final answer
   x = 73,540.56