Finding the Fourth Proportional to 1,162.10, 1,742.49 and 575.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,162.10 : 1,742.49 = 575.91 : x
2. Step 2: Convert to fraction form
   1,162.10/1,742.49 = 575.91/x
3. Step 3: Cross multiply
   1,162.10x = 1,742.49 × 575.91
4. Step 4: Simplify right side
   1,162.10x = 1,003,515.80
5. Step 5: Solve for x
   x = 1,003,515.80/1,162.10
6. Step 6: Final answer
   x = 863.54