Finding the Fourth Proportional to 12,697.57, 19,048.13 and 5,300.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,697.57 : 19,048.13 = 5,300.34 : x
2. Step 2: Convert to fraction form
   12,697.57/19,048.13 = 5,300.34/x
3. Step 3: Cross multiply
   12,697.57x = 19,048.13 × 5,300.34
4. Step 4: Simplify right side
   12,697.57x = 100,961,565.36
5. Step 5: Solve for x
   x = 100,961,565.36/12,697.57
6. Step 6: Final answer
   x = 7,951.25