Finding the Fourth Proportional to 89,017.38, 122,804.73 and 53,189.46

Step by Step Solution

1. Step 1: Write the proportion equation
   89,017.38 : 122,804.73 = 53,189.46 : x
2. Step 2: Convert to fraction form
   89,017.38/122,804.73 = 53,189.46/x
3. Step 3: Cross multiply
   89,017.38x = 122,804.73 × 53,189.46
4. Step 4: Simplify right side
   89,017.38x = 6,531,917,274.15
5. Step 5: Solve for x
   x = 6,531,917,274.15/89,017.38
6. Step 6: Final answer
   x = 73,378.00