Finding the Fourth Proportional to 1,754.56, 2,632.56 and 830.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,754.56 : 2,632.56 = 830.72 : x
2. Step 2: Convert to fraction form
   1,754.56/2,632.56 = 830.72/x
3. Step 3: Cross multiply
   1,754.56x = 2,632.56 × 830.72
4. Step 4: Simplify right side
   1,754.56x = 2,186,920.24
5. Step 5: Solve for x
   x = 2,186,920.24/1,754.56
6. Step 6: Final answer
   x = 1,246.42