Finding the Fourth Proportional to 12,688.33, 19,035.23 and 5,293.54

Step by Step Solution

1. Step 1: Write the proportion equation
   12,688.33 : 19,035.23 = 5,293.54 : x
2. Step 2: Convert to fraction form
   12,688.33/19,035.23 = 5,293.54/x
3. Step 3: Cross multiply
   12,688.33x = 19,035.23 × 5,293.54
4. Step 4: Simplify right side
   12,688.33x = 100,763,751.41
5. Step 5: Solve for x
   x = 100,763,751.41/12,688.33
6. Step 6: Final answer
   x = 7,941.45