Finding the Fourth Proportional to 7,098.88, 10,648.96 and 1,904.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,098.88 : 10,648.96 = 1,904.72 : x
2. Step 2: Convert to fraction form
   7,098.88/10,648.96 = 1,904.72/x
3. Step 3: Cross multiply
   7,098.88x = 10,648.96 × 1,904.72
4. Step 4: Simplify right side
   7,098.88x = 20,283,287.09
5. Step 5: Solve for x
   x = 20,283,287.09/7,098.88
6. Step 6: Final answer
   x = 2,857.25