Finding the Fourth Proportional to 2,114.58, 3,167.58 and 1,015.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,114.58 : 3,167.58 = 1,015.65 : x
2. Step 2: Convert to fraction form
   2,114.58/3,167.58 = 1,015.65/x
3. Step 3: Cross multiply
   2,114.58x = 3,167.58 × 1,015.65
4. Step 4: Simplify right side
   2,114.58x = 3,217,152.63
5. Step 5: Solve for x
   x = 3,217,152.63/2,114.58
6. Step 6: Final answer
   x = 1,521.41