Finding the Fourth Proportional to 1,756.42, 2,632.89 and 830.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,756.42 : 2,632.89 = 830.34 : x
2. Step 2: Convert to fraction form
   1,756.42/2,632.89 = 830.34/x
3. Step 3: Cross multiply
   1,756.42x = 2,632.89 × 830.34
4. Step 4: Simplify right side
   1,756.42x = 2,186,193.88
5. Step 5: Solve for x
   x = 2,186,193.88/1,756.42
6. Step 6: Final answer
   x = 1,244.69