Finding the Fourth Proportional to 9,906.90, 14,883.56 and 9,346.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,906.90 : 14,883.56 = 9,346.47 : x
2. Step 2: Convert to fraction form
   9,906.90/14,883.56 = 9,346.47/x
3. Step 3: Cross multiply
   9,906.90x = 14,883.56 × 9,346.47
4. Step 4: Simplify right side
   9,906.90x = 139,108,747.03
5. Step 5: Solve for x
   x = 139,108,747.03/9,906.90
6. Step 6: Final answer
   x = 14,041.60