Finding the Fourth Proportional to 2,111.58, 2,912.33 and 1,365.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.58 : 2,912.33 = 1,365.62 : x
2. Step 2: Convert to fraction form
   2,111.58/2,912.33 = 1,365.62/x
3. Step 3: Cross multiply
   2,111.58x = 2,912.33 × 1,365.62
4. Step 4: Simplify right side
   2,111.58x = 3,977,114.70
5. Step 5: Solve for x
   x = 3,977,114.70/2,111.58
6. Step 6: Final answer
   x = 1,883.48