Finding the Fourth Proportional to 2,111.03, 3,165.73 and 1,069.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.03 : 3,165.73 = 1,069.77 : x
2. Step 2: Convert to fraction form
   2,111.03/3,165.73 = 1,069.77/x
3. Step 3: Cross multiply
   2,111.03x = 3,165.73 × 1,069.77
4. Step 4: Simplify right side
   2,111.03x = 3,386,602.98
5. Step 5: Solve for x
   x = 3,386,602.98/2,111.03
6. Step 6: Final answer
   x = 1,604.24