Finding the Fourth Proportional to 57,748.25, 86,625.50 and 18,308.45

Step by Step Solution

1. Step 1: Write the proportion equation
   57,748.25 : 86,625.50 = 18,308.45 : x
2. Step 2: Convert to fraction form
   57,748.25/86,625.50 = 18,308.45/x
3. Step 3: Cross multiply
   57,748.25x = 86,625.50 × 18,308.45
4. Step 4: Simplify right side
   57,748.25x = 1,585,978,760.50
5. Step 5: Solve for x
   x = 1,585,978,760.50/57,748.25
6. Step 6: Final answer
   x = 27,463.67