Finding the Fourth Proportional to 2,387.56, 3,294.93 and 1,339.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,387.56 : 3,294.93 = 1,339.69 : x
2. Step 2: Convert to fraction form
   2,387.56/3,294.93 = 1,339.69/x
3. Step 3: Cross multiply
   2,387.56x = 3,294.93 × 1,339.69
4. Step 4: Simplify right side
   2,387.56x = 4,414,184.77
5. Step 5: Solve for x
   x = 4,414,184.77/2,387.56
6. Step 6: Final answer
   x = 1,848.83