Finding the Fourth Proportional to 12,948.03, 19,426.10 and 4,183.61

Step by Step Solution

1. Step 1: Write the proportion equation
   12,948.03 : 19,426.10 = 4,183.61 : x
2. Step 2: Convert to fraction form
   12,948.03/19,426.10 = 4,183.61/x
3. Step 3: Cross multiply
   12,948.03x = 19,426.10 × 4,183.61
4. Step 4: Simplify right side
   12,948.03x = 81,271,108.17
5. Step 5: Solve for x
   x = 81,271,108.17/12,948.03
6. Step 6: Final answer
   x = 6,276.72