Finding the Fourth Proportional to 12,697.18, 19,048.83 and 3,812.49

Step by Step Solution

1. Step 1: Write the proportion equation
   12,697.18 : 19,048.83 = 3,812.49 : x
2. Step 2: Convert to fraction form
   12,697.18/19,048.83 = 3,812.49/x
3. Step 3: Cross multiply
   12,697.18x = 19,048.83 × 3,812.49
4. Step 4: Simplify right side
   12,697.18x = 72,623,473.89
5. Step 5: Solve for x
   x = 72,623,473.89/12,697.18
6. Step 6: Final answer
   x = 5,719.65