Finding the Fourth Proportional to 2,383.31, 3,574.82 and 1,415.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,383.31 : 3,574.82 = 1,415.57 : x
2. Step 2: Convert to fraction form
   2,383.31/3,574.82 = 1,415.57/x
3. Step 3: Cross multiply
   2,383.31x = 3,574.82 × 1,415.57
4. Step 4: Simplify right side
   2,383.31x = 5,060,383.00
5. Step 5: Solve for x
   x = 5,060,383.00/2,383.31
6. Step 6: Final answer
   x = 2,123.26