Finding the Fourth Proportional to 89,542.86, 123,581.06 and 57,804.02

Step by Step Solution

1. Step 1: Write the proportion equation
   89,542.86 : 123,581.06 = 57,804.02 : x
2. Step 2: Convert to fraction form
   89,542.86/123,581.06 = 57,804.02/x
3. Step 3: Cross multiply
   89,542.86x = 123,581.06 × 57,804.02
4. Step 4: Simplify right side
   89,542.86x = 7,143,481,156.94
5. Step 5: Solve for x
   x = 7,143,481,156.94/89,542.86
6. Step 6: Final answer
   x = 79,777.23