Finding the Fourth Proportional to 2,300.72, 3,429.09 and 1,860.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,300.72 : 3,429.09 = 1,860.08 : x
2. Step 2: Convert to fraction form
   2,300.72/3,429.09 = 1,860.08/x
3. Step 3: Cross multiply
   2,300.72x = 3,429.09 × 1,860.08
4. Step 4: Simplify right side
   2,300.72x = 6,378,381.73
5. Step 5: Solve for x
   x = 6,378,381.73/2,300.72
6. Step 6: Final answer
   x = 2,772.34