Finding the Fourth Proportional to 7,002.90, 9,665.91 and 4,019.00

Step by Step Solution

1. Step 1: Write the proportion equation
   7,002.90 : 9,665.91 = 4,019.00 : x
2. Step 2: Convert to fraction form
   7,002.90/9,665.91 = 4,019.00/x
3. Step 3: Cross multiply
   7,002.90x = 9,665.91 × 4,019.00
4. Step 4: Simplify right side
   7,002.90x = 38,847,243.96
5. Step 5: Solve for x
   x = 38,847,243.96/7,002.90
6. Step 6: Final answer
   x = 5,547.31