Finding the Fourth Proportional to 8,753.73, 13,128.59 and 2,513.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,753.73 : 13,128.59 = 2,513.69 : x
2. Step 2: Convert to fraction form
   8,753.73/13,128.59 = 2,513.69/x
3. Step 3: Cross multiply
   8,753.73x = 13,128.59 × 2,513.69
4. Step 4: Simplify right side
   8,753.73x = 33,001,160.01
5. Step 5: Solve for x
   x = 33,001,160.01/8,753.73
6. Step 6: Final answer
   x = 3,769.96