Finding the Fourth Proportional to 9,315.41, 13,972.50 and 3,074.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,315.41 : 13,972.50 = 3,074.76 : x
2. Step 2: Convert to fraction form
   9,315.41/13,972.50 = 3,074.76/x
3. Step 3: Cross multiply
   9,315.41x = 13,972.50 × 3,074.76
4. Step 4: Simplify right side
   9,315.41x = 42,962,084.10
5. Step 5: Solve for x
   x = 42,962,084.10/9,315.41
6. Step 6: Final answer
   x = 4,611.94