Finding the Fourth Proportional to 1,513.45, 2,088.72 and 884.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,513.45 : 2,088.72 = 884.02 : x
2. Step 2: Convert to fraction form
   1,513.45/2,088.72 = 884.02/x
3. Step 3: Cross multiply
   1,513.45x = 2,088.72 × 884.02
4. Step 4: Simplify right side
   1,513.45x = 1,846,470.25
5. Step 5: Solve for x
   x = 1,846,470.25/1,513.45
6. Step 6: Final answer
   x = 1,220.04