Finding the Fourth Proportional to 1,692.90, 2,335.52 and 1,103.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,692.90 : 2,335.52 = 1,103.22 : x
2. Step 2: Convert to fraction form
   1,692.90/2,335.52 = 1,103.22/x
3. Step 3: Cross multiply
   1,692.90x = 2,335.52 × 1,103.22
4. Step 4: Simplify right side
   1,692.90x = 2,576,592.37
5. Step 5: Solve for x
   x = 2,576,592.37/1,692.90
6. Step 6: Final answer
   x = 1,522.00