Finding the Fourth Proportional to 1,908.16, 2,635.34 and 1,536.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,908.16 : 2,635.34 = 1,536.37 : x
2. Step 2: Convert to fraction form
   1,908.16/2,635.34 = 1,536.37/x
3. Step 3: Cross multiply
   1,908.16x = 2,635.34 × 1,536.37
4. Step 4: Simplify right side
   1,908.16x = 4,048,843.05
5. Step 5: Solve for x
   x = 4,048,843.05/1,908.16
6. Step 6: Final answer
   x = 2,121.86