Finding the Fourth Proportional to 13,404.24, 20,093.40 and 5,078.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,404.24 : 20,093.40 = 5,078.52 : x
2. Step 2: Convert to fraction form
   13,404.24/20,093.40 = 5,078.52/x
3. Step 3: Cross multiply
   13,404.24x = 20,093.40 × 5,078.52
4. Step 4: Simplify right side
   13,404.24x = 102,044,733.77
5. Step 5: Solve for x
   x = 102,044,733.77/13,404.24
6. Step 6: Final answer
   x = 7,612.87