Finding the Fourth Proportional to 1,091.59, 1,629.00 and 974.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,091.59 : 1,629.00 = 974.81 : x
2. Step 2: Convert to fraction form
   1,091.59/1,629.00 = 974.81/x
3. Step 3: Cross multiply
   1,091.59x = 1,629.00 × 974.81
4. Step 4: Simplify right side
   1,091.59x = 1,587,967.94
5. Step 5: Solve for x
   x = 1,587,967.94/1,091.59
6. Step 6: Final answer
   x = 1,454.73