Finding the Fourth Proportional to 13,270.10, 19,892.66 and 4,498.79

Step by Step Solution

1. Step 1: Write the proportion equation
   13,270.10 : 19,892.66 = 4,498.79 : x
2. Step 2: Convert to fraction form
   13,270.10/19,892.66 = 4,498.79/x
3. Step 3: Cross multiply
   13,270.10x = 19,892.66 × 4,498.79
4. Step 4: Simplify right side
   13,270.10x = 89,492,777.92
5. Step 5: Solve for x
   x = 89,492,777.92/13,270.10
6. Step 6: Final answer
   x = 6,743.94