Finding the Fourth Proportional to 1,633.59, 2,449.86 and 537.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,633.59 : 2,449.86 = 537.72 : x
2. Step 2: Convert to fraction form
   1,633.59/2,449.86 = 537.72/x
3. Step 3: Cross multiply
   1,633.59x = 2,449.86 × 537.72
4. Step 4: Simplify right side
   1,633.59x = 1,317,338.72
5. Step 5: Solve for x
   x = 1,317,338.72/1,633.59
6. Step 6: Final answer
   x = 806.41