Finding the Fourth Proportional to 13,074.49, 19,614.17 and 5,288.77

Step by Step Solution

1. Step 1: Write the proportion equation
   13,074.49 : 19,614.17 = 5,288.77 : x
2. Step 2: Convert to fraction form
   13,074.49/19,614.17 = 5,288.77/x
3. Step 3: Cross multiply
   13,074.49x = 19,614.17 × 5,288.77
4. Step 4: Simplify right side
   13,074.49x = 103,734,833.87
5. Step 5: Solve for x
   x = 103,734,833.87/13,074.49
6. Step 6: Final answer
   x = 7,934.14