Finding the Fourth Proportional to 3,703.82, 5,111.75 and 2,111.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,703.82 : 5,111.75 = 2,111.05 : x
2. Step 2: Convert to fraction form
   3,703.82/5,111.75 = 2,111.05/x
3. Step 3: Cross multiply
   3,703.82x = 5,111.75 × 2,111.05
4. Step 4: Simplify right side
   3,703.82x = 10,791,159.84
5. Step 5: Solve for x
   x = 10,791,159.84/3,703.82
6. Step 6: Final answer
   x = 2,913.52