Finding the Fourth Proportional to 19,672.96, 29,504.40 and 5,818.72

Step by Step Solution

1. Step 1: Write the proportion equation
   19,672.96 : 29,504.40 = 5,818.72 : x
2. Step 2: Convert to fraction form
   19,672.96/29,504.40 = 5,818.72/x
3. Step 3: Cross multiply
   19,672.96x = 29,504.40 × 5,818.72
4. Step 4: Simplify right side
   19,672.96x = 171,677,842.37
5. Step 5: Solve for x
   x = 171,677,842.37/19,672.96
6. Step 6: Final answer
   x = 8,726.59