Finding the Fourth Proportional to 1,302.30, 1,796.22 and 830.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,302.30 : 1,796.22 = 830.52 : x
2. Step 2: Convert to fraction form
   1,302.30/1,796.22 = 830.52/x
3. Step 3: Cross multiply
   1,302.30x = 1,796.22 × 830.52
4. Step 4: Simplify right side
   1,302.30x = 1,491,796.63
5. Step 5: Solve for x
   x = 1,491,796.63/1,302.30
6. Step 6: Final answer
   x = 1,145.51