Finding the Fourth Proportional to 1,051.26, 1,450.72 and 585.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,051.26 : 1,450.72 = 585.50 : x
2. Step 2: Convert to fraction form
   1,051.26/1,450.72 = 585.50/x
3. Step 3: Cross multiply
   1,051.26x = 1,450.72 × 585.50
4. Step 4: Simplify right side
   1,051.26x = 849,396.56
5. Step 5: Solve for x
   x = 849,396.56/1,051.26
6. Step 6: Final answer
   x = 807.98