Finding the Fourth Proportional to 2,109.89, 2,915.51 and 1,829.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109.89 : 2,915.51 = 1,829.22 : x
2. Step 2: Convert to fraction form
   2,109.89/2,915.51 = 1,829.22/x
3. Step 3: Cross multiply
   2,109.89x = 2,915.51 × 1,829.22
4. Step 4: Simplify right side
   2,109.89x = 5,333,100.06
5. Step 5: Solve for x
   x = 5,333,100.06/2,109.89
6. Step 6: Final answer
   x = 2,527.67