Finding the Fourth Proportional to 1,513.16, 2,088.59 and 883.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,513.16 : 2,088.59 = 883.83 : x
2. Step 2: Convert to fraction form
   1,513.16/2,088.59 = 883.83/x
3. Step 3: Cross multiply
   1,513.16x = 2,088.59 × 883.83
4. Step 4: Simplify right side
   1,513.16x = 1,845,954.08
5. Step 5: Solve for x
   x = 1,845,954.08/1,513.16
6. Step 6: Final answer
   x = 1,219.94