Finding the Fourth Proportional to 9,160.84, 13,740.01 and 2,587.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,160.84 : 13,740.01 = 2,587.56 : x
2. Step 2: Convert to fraction form
   9,160.84/13,740.01 = 2,587.56/x
3. Step 3: Cross multiply
   9,160.84x = 13,740.01 × 2,587.56
4. Step 4: Simplify right side
   9,160.84x = 35,553,100.28
5. Step 5: Solve for x
   x = 35,553,100.28/9,160.84
6. Step 6: Final answer
   x = 3,880.99