Finding the Fourth Proportional to 1,723.91, 2,381.17 and 1,499.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,723.91 : 2,381.17 = 1,499.40 : x
2. Step 2: Convert to fraction form
   1,723.91/2,381.17 = 1,499.40/x
3. Step 3: Cross multiply
   1,723.91x = 2,381.17 × 1,499.40
4. Step 4: Simplify right side
   1,723.91x = 3,570,326.30
5. Step 5: Solve for x
   x = 3,570,326.30/1,723.91
6. Step 6: Final answer
   x = 2,071.06