Finding the Fourth Proportional to 2,111.14, 2,912.34 and 1,365.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.14 : 2,912.34 = 1,365.74 : x
2. Step 2: Convert to fraction form
   2,111.14/2,912.34 = 1,365.74/x
3. Step 3: Cross multiply
   2,111.14x = 2,912.34 × 1,365.74
4. Step 4: Simplify right side
   2,111.14x = 3,977,499.23
5. Step 5: Solve for x
   x = 3,977,499.23/2,111.14
6. Step 6: Final answer
   x = 1,884.05