Finding the Fourth Proportional to 1,898.76, 2,619.52 and 1,235.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,898.76 : 2,619.52 = 1,235.37 : x
2. Step 2: Convert to fraction form
   1,898.76/2,619.52 = 1,235.37/x
3. Step 3: Cross multiply
   1,898.76x = 2,619.52 × 1,235.37
4. Step 4: Simplify right side
   1,898.76x = 3,236,076.42
5. Step 5: Solve for x
   x = 3,236,076.42/1,898.76
6. Step 6: Final answer
   x = 1,704.31