Finding the Fourth Proportional to 2,606.51, 3,907.58 and 1,219.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,606.51 : 3,907.58 = 1,219.12 : x
2. Step 2: Convert to fraction form
   2,606.51/3,907.58 = 1,219.12/x
3. Step 3: Cross multiply
   2,606.51x = 3,907.58 × 1,219.12
4. Step 4: Simplify right side
   2,606.51x = 4,763,793.07
5. Step 5: Solve for x
   x = 4,763,793.07/2,606.51
6. Step 6: Final answer
   x = 1,827.65