Finding the Fourth Proportional to 12,776.73, 19,150.05 and 5,748.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,776.73 : 19,150.05 = 5,748.48 : x
2. Step 2: Convert to fraction form
   12,776.73/19,150.05 = 5,748.48/x
3. Step 3: Cross multiply
   12,776.73x = 19,150.05 × 5,748.48
4. Step 4: Simplify right side
   12,776.73x = 110,083,679.42
5. Step 5: Solve for x
   x = 110,083,679.42/12,776.73
6. Step 6: Final answer
   x = 8,615.95