Finding the Fourth Proportional to 1,887.57, 2,604.84 and 1,059.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,887.57 : 2,604.84 = 1,059.57 : x
2. Step 2: Convert to fraction form
   1,887.57/2,604.84 = 1,059.57/x
3. Step 3: Cross multiply
   1,887.57x = 2,604.84 × 1,059.57
4. Step 4: Simplify right side
   1,887.57x = 2,760,010.32
5. Step 5: Solve for x
   x = 2,760,010.32/1,887.57
6. Step 6: Final answer
   x = 1,462.20