Finding the Fourth Proportional to 1,692.58, 2,541.42 and 1,381.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,692.58 : 2,541.42 = 1,381.18 : x
2. Step 2: Convert to fraction form
   1,692.58/2,541.42 = 1,381.18/x
3. Step 3: Cross multiply
   1,692.58x = 2,541.42 × 1,381.18
4. Step 4: Simplify right side
   1,692.58x = 3,510,158.48
5. Step 5: Solve for x
   x = 3,510,158.48/1,692.58
6. Step 6: Final answer
   x = 2,073.85