Finding the Fourth Proportional to 1,906.45, 2,628.37 and 1,374.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,906.45 : 2,628.37 = 1,374.89 : x
2. Step 2: Convert to fraction form
   1,906.45/2,628.37 = 1,374.89/x
3. Step 3: Cross multiply
   1,906.45x = 2,628.37 × 1,374.89
4. Step 4: Simplify right side
   1,906.45x = 3,613,719.63
5. Step 5: Solve for x
   x = 3,613,719.63/1,906.45
6. Step 6: Final answer
   x = 1,895.52