Finding the Fourth Proportional to 2,838.84, 3,915.18 and 1,830.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,838.84 : 3,915.18 = 1,830.72 : x
2. Step 2: Convert to fraction form
   2,838.84/3,915.18 = 1,830.72/x
3. Step 3: Cross multiply
   2,838.84x = 3,915.18 × 1,830.72
4. Step 4: Simplify right side
   2,838.84x = 7,167,598.33
5. Step 5: Solve for x
   x = 7,167,598.33/2,838.84
6. Step 6: Final answer
   x = 2,524.83