Finding the Fourth Proportional to 2,530.22, 3,792.93 and 885.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,530.22 : 3,792.93 = 885.70 : x
2. Step 2: Convert to fraction form
   2,530.22/3,792.93 = 885.70/x
3. Step 3: Cross multiply
   2,530.22x = 3,792.93 × 885.70
4. Step 4: Simplify right side
   2,530.22x = 3,359,398.10
5. Step 5: Solve for x
   x = 3,359,398.10/2,530.22
6. Step 6: Final answer
   x = 1,327.71