Finding the Fourth Proportional to 13,270.02, 19,892.58 and 4,498.80

Step by Step Solution

1. Step 1: Write the proportion equation
   13,270.02 : 19,892.58 = 4,498.80 : x
2. Step 2: Convert to fraction form
   13,270.02/19,892.58 = 4,498.80/x
3. Step 3: Cross multiply
   13,270.02x = 19,892.58 × 4,498.80
4. Step 4: Simplify right side
   13,270.02x = 89,492,738.90
5. Step 5: Solve for x
   x = 89,492,738.90/13,270.02
6. Step 6: Final answer
   x = 6,743.98