Finding the Fourth Proportional to 11,839.88, 17,760.70 and 3,074.84

Step by Step Solution

1. Step 1: Write the proportion equation
   11,839.88 : 17,760.70 = 3,074.84 : x
2. Step 2: Convert to fraction form
   11,839.88/17,760.70 = 3,074.84/x
3. Step 3: Cross multiply
   11,839.88x = 17,760.70 × 3,074.84
4. Step 4: Simplify right side
   11,839.88x = 54,611,310.79
5. Step 5: Solve for x
   x = 54,611,310.79/11,839.88
6. Step 6: Final answer
   x = 4,612.49