Finding the Fourth Proportional to 2,276.34, 3,415.73 and 2,111.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,276.34 : 3,415.73 = 2,111.10 : x
2. Step 2: Convert to fraction form
   2,276.34/3,415.73 = 2,111.10/x
3. Step 3: Cross multiply
   2,276.34x = 3,415.73 × 2,111.10
4. Step 4: Simplify right side
   2,276.34x = 7,210,937.05
5. Step 5: Solve for x
   x = 7,210,937.05/2,276.34
6. Step 6: Final answer
   x = 3,167.78