Finding the Fourth Proportional to 2,120.72, 2,926.86 and 1,514.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,120.72 : 2,926.86 = 1,514.60 : x
2. Step 2: Convert to fraction form
   2,120.72/2,926.86 = 1,514.60/x
3. Step 3: Cross multiply
   2,120.72x = 2,926.86 × 1,514.60
4. Step 4: Simplify right side
   2,120.72x = 4,433,007.52
5. Step 5: Solve for x
   x = 4,433,007.52/2,120.72
6. Step 6: Final answer
   x = 2,090.34