Finding the Fourth Proportional to 1,835.98, 2,535.72 and 1,245.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,835.98 : 2,535.72 = 1,245.49 : x
2. Step 2: Convert to fraction form
   1,835.98/2,535.72 = 1,245.49/x
3. Step 3: Cross multiply
   1,835.98x = 2,535.72 × 1,245.49
4. Step 4: Simplify right side
   1,835.98x = 3,158,213.90
5. Step 5: Solve for x
   x = 3,158,213.90/1,835.98
6. Step 6: Final answer
   x = 1,720.18