Finding the Fourth Proportional to 7,098.42, 10,647.78 and 1,904.25

Step by Step Solution

1. Step 1: Write the proportion equation
   7,098.42 : 10,647.78 = 1,904.25 : x
2. Step 2: Convert to fraction form
   7,098.42/10,647.78 = 1,904.25/x
3. Step 3: Cross multiply
   7,098.42x = 10,647.78 × 1,904.25
4. Step 4: Simplify right side
   7,098.42x = 20,276,035.07
5. Step 5: Solve for x
   x = 20,276,035.07/7,098.42
6. Step 6: Final answer
   x = 2,856.42