Finding the Fourth Proportional to 2,552.31, 3,830.10 and 1,383.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,552.31 : 3,830.10 = 1,383.12 : x
2. Step 2: Convert to fraction form
   2,552.31/3,830.10 = 1,383.12/x
3. Step 3: Cross multiply
   2,552.31x = 3,830.10 × 1,383.12
4. Step 4: Simplify right side
   2,552.31x = 5,297,461.85
5. Step 5: Solve for x
   x = 5,297,461.85/2,552.31
6. Step 6: Final answer
   x = 2,075.56