Finding the Fourth Proportional to 2,714.01, 4,071.47 and 864.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,714.01 : 4,071.47 = 864.98 : x
2. Step 2: Convert to fraction form
   2,714.01/4,071.47 = 864.98/x
3. Step 3: Cross multiply
   2,714.01x = 4,071.47 × 864.98
4. Step 4: Simplify right side
   2,714.01x = 3,521,730.71
5. Step 5: Solve for x
   x = 3,521,730.71/2,714.01
6. Step 6: Final answer
   x = 1,297.61