Finding the Fourth Proportional to 89,317.63, 123,233.07 and 57,504.94

Step by Step Solution

1. Step 1: Write the proportion equation
   89,317.63 : 123,233.07 = 57,504.94 : x
2. Step 2: Convert to fraction form
   89,317.63/123,233.07 = 57,504.94/x
3. Step 3: Cross multiply
   89,317.63x = 123,233.07 × 57,504.94
4. Step 4: Simplify right side
   89,317.63x = 7,086,510,296.37
5. Step 5: Solve for x
   x = 7,086,510,296.37/89,317.63
6. Step 6: Final answer
   x = 79,340.55