Finding the Fourth Proportional to 1,731.76, 2,390.34 and 1,059.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,731.76 : 2,390.34 = 1,059.82 : x
2. Step 2: Convert to fraction form
   1,731.76/2,390.34 = 1,059.82/x
3. Step 3: Cross multiply
   1,731.76x = 2,390.34 × 1,059.82
4. Step 4: Simplify right side
   1,731.76x = 2,533,330.14
5. Step 5: Solve for x
   x = 2,533,330.14/1,731.76
6. Step 6: Final answer
   x = 1,462.86