Finding the Fourth Proportional to 1,025.56, 1,537.56 and 376.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,025.56 : 1,537.56 = 376.18 : x
2. Step 2: Convert to fraction form
   1,025.56/1,537.56 = 376.18/x
3. Step 3: Cross multiply
   1,025.56x = 1,537.56 × 376.18
4. Step 4: Simplify right side
   1,025.56x = 578,399.32
5. Step 5: Solve for x
   x = 578,399.32/1,025.56
6. Step 6: Final answer
   x = 563.98