Finding the Fourth Proportional to 12,775.30, 19,168.82 and 5,751.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,775.30 : 19,168.82 = 5,751.52 : x
2. Step 2: Convert to fraction form
   12,775.30/19,168.82 = 5,751.52/x
3. Step 3: Cross multiply
   12,775.30x = 19,168.82 × 5,751.52
4. Step 4: Simplify right side
   12,775.30x = 110,249,851.61
5. Step 5: Solve for x
   x = 110,249,851.61/12,775.30
6. Step 6: Final answer
   x = 8,629.92