Finding the Fourth Proportional to 1,457.42, 2,185.32 and 590.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,457.42 : 2,185.32 = 590.72 : x
2. Step 2: Convert to fraction form
   1,457.42/2,185.32 = 590.72/x
3. Step 3: Cross multiply
   1,457.42x = 2,185.32 × 590.72
4. Step 4: Simplify right side
   1,457.42x = 1,290,912.23
5. Step 5: Solve for x
   x = 1,290,912.23/1,457.42
6. Step 6: Final answer
   x = 885.75