Finding the Fourth Proportional to 2,359.82, 3,256.21 and 1,415.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,359.82 : 3,256.21 = 1,415.39 : x
2. Step 2: Convert to fraction form
   2,359.82/3,256.21 = 1,415.39/x
3. Step 3: Cross multiply
   2,359.82x = 3,256.21 × 1,415.39
4. Step 4: Simplify right side
   2,359.82x = 4,608,807.07
5. Step 5: Solve for x
   x = 4,608,807.07/2,359.82
6. Step 6: Final answer
   x = 1,953.03