Finding the Fourth Proportional to 57,926.21, 86,740.37 and 40,131.52

Step by Step Solution

1. Step 1: Write the proportion equation
   57,926.21 : 86,740.37 = 40,131.52 : x
2. Step 2: Convert to fraction form
   57,926.21/86,740.37 = 40,131.52/x
3. Step 3: Cross multiply
   57,926.21x = 86,740.37 × 40,131.52
4. Step 4: Simplify right side
   57,926.21x = 3,481,022,993.79
5. Step 5: Solve for x
   x = 3,481,022,993.79/57,926.21
6. Step 6: Final answer
   x = 60,094.09