Finding the Fourth Proportional to 1,051.56, 1,451.10 and 585.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,051.56 : 1,451.10 = 585.72 : x
2. Step 2: Convert to fraction form
   1,051.56/1,451.10 = 585.72/x
3. Step 3: Cross multiply
   1,051.56x = 1,451.10 × 585.72
4. Step 4: Simplify right side
   1,051.56x = 849,938.29
5. Step 5: Solve for x
   x = 849,938.29/1,051.56
6. Step 6: Final answer
   x = 808.26