Finding the Fourth Proportional to 12,355.44, 17,038.98 and 7,874.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,355.44 : 17,038.98 = 7,874.52 : x
2. Step 2: Convert to fraction form
   12,355.44/17,038.98 = 7,874.52/x
3. Step 3: Cross multiply
   12,355.44x = 17,038.98 × 7,874.52
4. Step 4: Simplify right side
   12,355.44x = 134,173,788.79
5. Step 5: Solve for x
   x = 134,173,788.79/12,355.44
6. Step 6: Final answer
   x = 10,859.49