Finding the Fourth Proportional to 1,887.40, 2,604.18 and 1,100.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,887.40 : 2,604.18 = 1,100.98 : x
2. Step 2: Convert to fraction form
   1,887.40/2,604.18 = 1,100.98/x
3. Step 3: Cross multiply
   1,887.40x = 2,604.18 × 1,100.98
4. Step 4: Simplify right side
   1,887.40x = 2,867,150.10
5. Step 5: Solve for x
   x = 2,867,150.10/1,887.40
6. Step 6: Final answer
   x = 1,519.10