Finding the Fourth Proportional to 57,766.56, 86,618.52 and 26,574

Step by Step Solution

1. Step 1: Write the proportion equation
   57,766.56 : 86,618.52 = 26,574 : x
2. Step 2: Convert to fraction form
   57,766.56/86,618.52 = 26,574/x
3. Step 3: Cross multiply
   57,766.56x = 86,618.52 × 26,574
4. Step 4: Simplify right side
   57,766.56x = 2,301,800,550.48
5. Step 5: Solve for x
   x = 2,301,800,550.48/57,766.56
6. Step 6: Final answer
   x = 39,846.59