Finding the Fourth Proportional to 980.83, 1,354.42 and 731.72

Step by Step Solution

1. Step 1: Write the proportion equation
   980.83 : 1,354.42 = 731.72 : x
2. Step 2: Convert to fraction form
   980.83/1,354.42 = 731.72/x
3. Step 3: Cross multiply
   980.83x = 1,354.42 × 731.72
4. Step 4: Simplify right side
   980.83x = 991,053.41
5. Step 5: Solve for x
   x = 991,053.41/980.83
6. Step 6: Final answer
   x = 1,010.42