Finding the Fourth Proportional to 20,498.07, 30,740.23 and 7,844.88

Step by Step Solution

1. Step 1: Write the proportion equation
   20,498.07 : 30,740.23 = 7,844.88 : x
2. Step 2: Convert to fraction form
   20,498.07/30,740.23 = 7,844.88/x
3. Step 3: Cross multiply
   20,498.07x = 30,740.23 × 7,844.88
4. Step 4: Simplify right side
   20,498.07x = 241,153,367.69
5. Step 5: Solve for x
   x = 241,153,367.69/20,498.07
6. Step 6: Final answer
   x = 11,764.69