Finding the Fourth Proportional to 13,268.46, 19,897.01 and 4,499.40

Step by Step Solution

1. Step 1: Write the proportion equation
   13,268.46 : 19,897.01 = 4,499.40 : x
2. Step 2: Convert to fraction form
   13,268.46/19,897.01 = 4,499.40/x
3. Step 3: Cross multiply
   13,268.46x = 19,897.01 × 4,499.40
4. Step 4: Simplify right side
   13,268.46x = 89,524,543.43
5. Step 5: Solve for x
   x = 89,524,543.43/13,268.46
6. Step 6: Final answer
   x = 6,747.17