Finding the Fourth Proportional to 1,513.59, 2,088.57 and 884.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,513.59 : 2,088.57 = 884.22 : x
2. Step 2: Convert to fraction form
   1,513.59/2,088.57 = 884.22/x
3. Step 3: Cross multiply
   1,513.59x = 2,088.57 × 884.22
4. Step 4: Simplify right side
   1,513.59x = 1,846,755.37
5. Step 5: Solve for x
   x = 1,846,755.37/1,513.59
6. Step 6: Final answer
   x = 1,220.12