Finding the Fourth Proportional to 12,746.53, 19,126.33 and 5,255.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,746.53 : 19,126.33 = 5,255.62 : x
2. Step 2: Convert to fraction form
   12,746.53/19,126.33 = 5,255.62/x
3. Step 3: Cross multiply
   12,746.53x = 19,126.33 × 5,255.62
4. Step 4: Simplify right side
   12,746.53x = 100,520,661.52
5. Step 5: Solve for x
   x = 100,520,661.52/12,746.53
6. Step 6: Final answer
   x = 7,886.12