Finding the Fourth Proportional to 30,328.79, 41,894.55 and 27,499.37

Step by Step Solution

1. Step 1: Write the proportion equation
   30,328.79 : 41,894.55 = 27,499.37 : x
2. Step 2: Convert to fraction form
   30,328.79/41,894.55 = 27,499.37/x
3. Step 3: Cross multiply
   30,328.79x = 41,894.55 × 27,499.37
4. Step 4: Simplify right side
   30,328.79x = 1,152,073,521.96
5. Step 5: Solve for x
   x = 1,152,073,521.96/30,328.79
6. Step 6: Final answer
   x = 37,986.14