Finding the Fourth Proportional to 1,892.56, 2,611.55 and 1,395.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,892.56 : 2,611.55 = 1,395.46 : x
2. Step 2: Convert to fraction form
   1,892.56/2,611.55 = 1,395.46/x
3. Step 3: Cross multiply
   1,892.56x = 2,611.55 × 1,395.46
4. Step 4: Simplify right side
   1,892.56x = 3,644,313.11
5. Step 5: Solve for x
   x = 3,644,313.11/1,892.56
6. Step 6: Final answer
   x = 1,925.60