Finding the Fourth Proportional to 1,723.79, 2,377.91 and 1,059.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,723.79 : 2,377.91 = 1,059.50 : x
2. Step 2: Convert to fraction form
   1,723.79/2,377.91 = 1,059.50/x
3. Step 3: Cross multiply
   1,723.79x = 2,377.91 × 1,059.50
4. Step 4: Simplify right side
   1,723.79x = 2,519,404.24
5. Step 5: Solve for x
   x = 2,519,404.24/1,723.79
6. Step 6: Final answer
   x = 1,461.55