Finding the Fourth Proportional to 1,933.05, 2,665.89 and 1,559.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,933.05 : 2,665.89 = 1,559.91 : x
2. Step 2: Convert to fraction form
   1,933.05/2,665.89 = 1,559.91/x
3. Step 3: Cross multiply
   1,933.05x = 2,665.89 × 1,559.91
4. Step 4: Simplify right side
   1,933.05x = 4,158,548.47
5. Step 5: Solve for x
   x = 4,158,548.47/1,933.05
6. Step 6: Final answer
   x = 2,151.29