Finding the Fourth Proportional to 86,075.39, 129,120.53 and 23,745.89

Step by Step Solution

1. Step 1: Write the proportion equation
   86,075.39 : 129,120.53 = 23,745.89 : x
2. Step 2: Convert to fraction form
   86,075.39/129,120.53 = 23,745.89/x
3. Step 3: Cross multiply
   86,075.39x = 129,120.53 × 23,745.89
4. Step 4: Simplify right side
   86,075.39x = 3,066,081,930.88
5. Step 5: Solve for x
   x = 3,066,081,930.88/86,075.39
6. Step 6: Final answer
   x = 35,620.89