Finding the Fourth Proportional to 1,513.57, 2,088.57 and 883.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,513.57 : 2,088.57 = 883.93 : x
2. Step 2: Convert to fraction form
   1,513.57/2,088.57 = 883.93/x
3. Step 3: Cross multiply
   1,513.57x = 2,088.57 × 883.93
4. Step 4: Simplify right side
   1,513.57x = 1,846,149.68
5. Step 5: Solve for x
   x = 1,846,149.68/1,513.57
6. Step 6: Final answer
   x = 1,219.73