Finding the Fourth Proportional to 89,374.93, 123,291.77 and 57,075.59

Step by Step Solution

1. Step 1: Write the proportion equation
   89,374.93 : 123,291.77 = 57,075.59 : x
2. Step 2: Convert to fraction form
   89,374.93/123,291.77 = 57,075.59/x
3. Step 3: Cross multiply
   89,374.93x = 123,291.77 × 57,075.59
4. Step 4: Simplify right side
   89,374.93x = 7,036,950,537.75
5. Step 5: Solve for x
   x = 7,036,950,537.75/89,374.93
6. Step 6: Final answer
   x = 78,735.17