Finding the Fourth Proportional to 2,184.75, 3,015.12 and 1,345.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,184.75 : 3,015.12 = 1,345.25 : x
2. Step 2: Convert to fraction form
   2,184.75/3,015.12 = 1,345.25/x
3. Step 3: Cross multiply
   2,184.75x = 3,015.12 × 1,345.25
4. Step 4: Simplify right side
   2,184.75x = 4,056,075.10
5. Step 5: Solve for x
   x = 4,056,075.10/2,184.75
6. Step 6: Final answer
   x = 1,856.54