Finding the Fourth Proportional to 1,334.41, 1,841.48 and 728.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,334.41 : 1,841.48 = 728.75 : x
2. Step 2: Convert to fraction form
   1,334.41/1,841.48 = 728.75/x
3. Step 3: Cross multiply
   1,334.41x = 1,841.48 × 728.75
4. Step 4: Simplify right side
   1,334.41x = 1,341,978.55
5. Step 5: Solve for x
   x = 1,341,978.55/1,334.41
6. Step 6: Final answer
   x = 1,005.67