Finding the Fourth Proportional to 20,764.72, 31,151.84 and 5,973.76

Step by Step Solution

1. Step 1: Write the proportion equation
   20,764.72 : 31,151.84 = 5,973.76 : x
2. Step 2: Convert to fraction form
   20,764.72/31,151.84 = 5,973.76/x
3. Step 3: Cross multiply
   20,764.72x = 31,151.84 × 5,973.76
4. Step 4: Simplify right side
   20,764.72x = 186,093,615.72
5. Step 5: Solve for x
   x = 186,093,615.72/20,764.72
6. Step 6: Final answer
   x = 8,962.01