Finding the Fourth Proportional to 9,906.82, 14,865.06 and 4,359.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,906.82 : 14,865.06 = 4,359.47 : x
2. Step 2: Convert to fraction form
   9,906.82/14,865.06 = 4,359.47/x
3. Step 3: Cross multiply
   9,906.82x = 14,865.06 × 4,359.47
4. Step 4: Simplify right side
   9,906.82x = 64,803,725.14
5. Step 5: Solve for x
   x = 64,803,725.14/9,906.82
6. Step 6: Final answer
   x = 6,541.33