Finding the Fourth Proportional to 20,540.04, 30,805.34 and 5,749.98

Step by Step Solution

1. Step 1: Write the proportion equation
   20,540.04 : 30,805.34 = 5,749.98 : x
2. Step 2: Convert to fraction form
   20,540.04/30,805.34 = 5,749.98/x
3. Step 3: Cross multiply
   20,540.04x = 30,805.34 × 5,749.98
4. Step 4: Simplify right side
   20,540.04x = 177,130,088.89
5. Step 5: Solve for x
   x = 177,130,088.89/20,540.04
6. Step 6: Final answer
   x = 8,623.65