Finding the Fourth Proportional to 1,136.72, 1,704.51 and 588.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,136.72 : 1,704.51 = 588.74 : x
2. Step 2: Convert to fraction form
   1,136.72/1,704.51 = 588.74/x
3. Step 3: Cross multiply
   1,136.72x = 1,704.51 × 588.74
4. Step 4: Simplify right side
   1,136.72x = 1,003,513.22
5. Step 5: Solve for x
   x = 1,003,513.22/1,136.72
6. Step 6: Final answer
   x = 882.81