Finding the Fourth Proportional to 1,670.32, 2,514.37 and 1,282.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,670.32 : 2,514.37 = 1,282.47 : x
2. Step 2: Convert to fraction form
   1,670.32/2,514.37 = 1,282.47/x
3. Step 3: Cross multiply
   1,670.32x = 2,514.37 × 1,282.47
4. Step 4: Simplify right side
   1,670.32x = 3,224,600.86
5. Step 5: Solve for x
   x = 3,224,600.86/1,670.32
6. Step 6: Final answer
   x = 1,930.53