Finding the Fourth Proportional to 1,824.01, 2,736.32 and 728.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,824.01 : 2,736.32 = 728.39 : x
2. Step 2: Convert to fraction form
   1,824.01/2,736.32 = 728.39/x
3. Step 3: Cross multiply
   1,824.01x = 2,736.32 × 728.39
4. Step 4: Simplify right side
   1,824.01x = 1,993,111.32
5. Step 5: Solve for x
   x = 1,993,111.32/1,824.01
6. Step 6: Final answer
   x = 1,092.71