Finding the Fourth Proportional to 2,288.94, 3,430.20 and 2,061.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,288.94 : 3,430.20 = 2,061.32 : x
2. Step 2: Convert to fraction form
   2,288.94/3,430.20 = 2,061.32/x
3. Step 3: Cross multiply
   2,288.94x = 3,430.20 × 2,061.32
4. Step 4: Simplify right side
   2,288.94x = 7,070,739.86
5. Step 5: Solve for x
   x = 7,070,739.86/2,288.94
6. Step 6: Final answer
   x = 3,089.09