Finding the Fourth Proportional to 8,189.54, 12,274.59 and 4,719.62

Step by Step Solution

1. Step 1: Write the proportion equation
   8,189.54 : 12,274.59 = 4,719.62 : x
2. Step 2: Convert to fraction form
   8,189.54/12,274.59 = 4,719.62/x
3. Step 3: Cross multiply
   8,189.54x = 12,274.59 × 4,719.62
4. Step 4: Simplify right side
   8,189.54x = 57,931,400.46
5. Step 5: Solve for x
   x = 57,931,400.46/8,189.54
6. Step 6: Final answer
   x = 7,073.83