Finding the Fourth Proportional to 7,099.84, 10,648.54 and 1,904.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,099.84 : 10,648.54 = 1,904.50 : x
2. Step 2: Convert to fraction form
   7,099.84/10,648.54 = 1,904.50/x
3. Step 3: Cross multiply
   7,099.84x = 10,648.54 × 1,904.50
4. Step 4: Simplify right side
   7,099.84x = 20,280,144.43
5. Step 5: Solve for x
   x = 20,280,144.43/7,099.84
6. Step 6: Final answer
   x = 2,856.42