Finding the Fourth Proportional to 1,091.03, 1,636.82 and 474.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,091.03 : 1,636.82 = 474.59 : x
2. Step 2: Convert to fraction form
   1,091.03/1,636.82 = 474.59/x
3. Step 3: Cross multiply
   1,091.03x = 1,636.82 × 474.59
4. Step 4: Simplify right side
   1,091.03x = 776,810.22
5. Step 5: Solve for x
   x = 776,810.22/1,091.03
6. Step 6: Final answer
   x = 712.00