Finding the Fourth Proportional to 1,888.79, 2,602.73 and 1,559.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,888.79 : 2,602.73 = 1,559.52 : x
2. Step 2: Convert to fraction form
   1,888.79/2,602.73 = 1,559.52/x
3. Step 3: Cross multiply
   1,888.79x = 2,602.73 × 1,559.52
4. Step 4: Simplify right side
   1,888.79x = 4,059,013.39
5. Step 5: Solve for x
   x = 4,059,013.39/1,888.79
6. Step 6: Final answer
   x = 2,149.01