Finding the Fourth Proportional to 12,697.16, 19,048.98 and 3,812.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,697.16 : 19,048.98 = 3,812.48 : x
2. Step 2: Convert to fraction form
   12,697.16/19,048.98 = 3,812.48/x
3. Step 3: Cross multiply
   12,697.16x = 19,048.98 × 3,812.48
4. Step 4: Simplify right side
   12,697.16x = 72,623,855.27
5. Step 5: Solve for x
   x = 72,623,855.27/12,697.16
6. Step 6: Final answer
   x = 5,719.69