Finding the Fourth Proportional to 9,019.72, 13,510.14 and 4,393

Step by Step Solution

1. Step 1: Write the proportion equation
   9,019.72 : 13,510.14 = 4,393 : x
2. Step 2: Convert to fraction form
   9,019.72/13,510.14 = 4,393/x
3. Step 3: Cross multiply
   9,019.72x = 13,510.14 × 4,393
4. Step 4: Simplify right side
   9,019.72x = 59,350,045.02
5. Step 5: Solve for x
   x = 59,350,045.02/9,019.72
6. Step 6: Final answer
   x = 6,580.03