Finding the Fourth Proportional to 2,006.51, 2,770.35 and 1,309.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,006.51 : 2,770.35 = 1,309.10 : x
2. Step 2: Convert to fraction form
   2,006.51/2,770.35 = 1,309.10/x
3. Step 3: Cross multiply
   2,006.51x = 2,770.35 × 1,309.10
4. Step 4: Simplify right side
   2,006.51x = 3,626,665.19
5. Step 5: Solve for x
   x = 3,626,665.19/2,006.51
6. Step 6: Final answer
   x = 1,807.45