Finding the Fourth Proportional to 1,714.91, 2,569.61 and 985.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,714.91 : 2,569.61 = 985.01 : x
2. Step 2: Convert to fraction form
   1,714.91/2,569.61 = 985.01/x
3. Step 3: Cross multiply
   1,714.91x = 2,569.61 × 985.01
4. Step 4: Simplify right side
   1,714.91x = 2,531,081.16
5. Step 5: Solve for x
   x = 2,531,081.16/1,714.91
6. Step 6: Final answer
   x = 1,475.93