Finding the Fourth Proportional to 2,520.27, 3,774.93 and 1,219

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520.27 : 3,774.93 = 1,219 : x
2. Step 2: Convert to fraction form
   2,520.27/3,774.93 = 1,219/x
3. Step 3: Cross multiply
   2,520.27x = 3,774.93 × 1,219
4. Step 4: Simplify right side
   2,520.27x = 4,601,639.67
5. Step 5: Solve for x
   x = 4,601,639.67/2,520.27
6. Step 6: Final answer
   x = 1,825.85