Finding the Fourth Proportional to 1,412.10, 2,116.72 and 590.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,412.10 : 2,116.72 = 590.83 : x
2. Step 2: Convert to fraction form
   1,412.10/2,116.72 = 590.83/x
3. Step 3: Cross multiply
   1,412.10x = 2,116.72 × 590.83
4. Step 4: Simplify right side
   1,412.10x = 1,250,608.14
5. Step 5: Solve for x
   x = 1,250,608.14/1,412.10
6. Step 6: Final answer
   x = 885.64