Finding the Fourth Proportional to 2,355.82, 3,250.74 and 1,307.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,355.82 : 3,250.74 = 1,307.98 : x
2. Step 2: Convert to fraction form
   2,355.82/3,250.74 = 1,307.98/x
3. Step 3: Cross multiply
   2,355.82x = 3,250.74 × 1,307.98
4. Step 4: Simplify right side
   2,355.82x = 4,251,902.91
5. Step 5: Solve for x
   x = 4,251,902.91/2,355.82
6. Step 6: Final answer
   x = 1,804.85