Finding the Fourth Proportional to 10,498.74, 14,489.28 and 7,841.54

Step by Step Solution

1. Step 1: Write the proportion equation
   10,498.74 : 14,489.28 = 7,841.54 : x
2. Step 2: Convert to fraction form
   10,498.74/14,489.28 = 7,841.54/x
3. Step 3: Cross multiply
   10,498.74x = 14,489.28 × 7,841.54
4. Step 4: Simplify right side
   10,498.74x = 113,618,268.69
5. Step 5: Solve for x
   x = 113,618,268.69/10,498.74
6. Step 6: Final answer
   x = 10,822.09