Finding the Fourth Proportional to 1,900.08, 2,621.03 and 1,692.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,900.08 : 2,621.03 = 1,692.72 : x
2. Step 2: Convert to fraction form
   1,900.08/2,621.03 = 1,692.72/x
3. Step 3: Cross multiply
   1,900.08x = 2,621.03 × 1,692.72
4. Step 4: Simplify right side
   1,900.08x = 4,436,661.44
5. Step 5: Solve for x
   x = 4,436,661.44/1,900.08
6. Step 6: Final answer
   x = 2,334.99