Finding the Fourth Proportional to 1,826.10, 2,518.56 and 1,235.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,826.10 : 2,518.56 = 1,235.88 : x
2. Step 2: Convert to fraction form
   1,826.10/2,518.56 = 1,235.88/x
3. Step 3: Cross multiply
   1,826.10x = 2,518.56 × 1,235.88
4. Step 4: Simplify right side
   1,826.10x = 3,112,637.93
5. Step 5: Solve for x
   x = 3,112,637.93/1,826.10
6. Step 6: Final answer
   x = 1,704.53