Finding the Fourth Proportional to 1,723.17, 2,377.40 and 1,059.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,723.17 : 2,377.40 = 1,059.78 : x
2. Step 2: Convert to fraction form
   1,723.17/2,377.40 = 1,059.78/x
3. Step 3: Cross multiply
   1,723.17x = 2,377.40 × 1,059.78
4. Step 4: Simplify right side
   1,723.17x = 2,519,530.55
5. Step 5: Solve for x
   x = 2,519,530.55/1,723.17
6. Step 6: Final answer
   x = 1,462.15