Finding the Fourth Proportional to 9,019.79, 13,530.33 and 2,445.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,019.79 : 13,530.33 = 2,445.86 : x
2. Step 2: Convert to fraction form
   9,019.79/13,530.33 = 2,445.86/x
3. Step 3: Cross multiply
   9,019.79x = 13,530.33 × 2,445.86
4. Step 4: Simplify right side
   9,019.79x = 33,093,292.93
5. Step 5: Solve for x
   x = 33,093,292.93/9,019.79
6. Step 6: Final answer
   x = 3,668.96