Finding the Fourth Proportional to 2,386.33, 3,576.89 and 1,000.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,386.33 : 3,576.89 = 1,000.42 : x
2. Step 2: Convert to fraction form
   2,386.33/3,576.89 = 1,000.42/x
3. Step 3: Cross multiply
   2,386.33x = 3,576.89 × 1,000.42
4. Step 4: Simplify right side
   2,386.33x = 3,578,385.85
5. Step 5: Solve for x
   x = 3,578,385.85/2,386.33
6. Step 6: Final answer
   x = 1,499.54