Finding the Fourth Proportional to 19,636.72, 29,460.57 and 6,498.34

Step by Step Solution

1. Step 1: Write the proportion equation
   19,636.72 : 29,460.57 = 6,498.34 : x
2. Step 2: Convert to fraction form
   19,636.72/29,460.57 = 6,498.34/x
3. Step 3: Cross multiply
   19,636.72x = 29,460.57 × 6,498.34
4. Step 4: Simplify right side
   19,636.72x = 191,444,800.45
5. Step 5: Solve for x
   x = 191,444,800.45/19,636.72
6. Step 6: Final answer
   x = 9,749.33