Finding the Fourth Proportional to 7,189.21, 10,784.72 and 1,995.09

Step by Step Solution

1. Step 1: Write the proportion equation
   7,189.21 : 10,784.72 = 1,995.09 : x
2. Step 2: Convert to fraction form
   7,189.21/10,784.72 = 1,995.09/x
3. Step 3: Cross multiply
   7,189.21x = 10,784.72 × 1,995.09
4. Step 4: Simplify right side
   7,189.21x = 21,516,487.02
5. Step 5: Solve for x
   x = 21,516,487.02/7,189.21
6. Step 6: Final answer
   x = 2,992.89