Finding the Fourth Proportional to 9,906.41, 14,840.13 and 7,126.49

Step by Step Solution

1. Step 1: Write the proportion equation
   9,906.41 : 14,840.13 = 7,126.49 : x
2. Step 2: Convert to fraction form
   9,906.41/14,840.13 = 7,126.49/x
3. Step 3: Cross multiply
   9,906.41x = 14,840.13 × 7,126.49
4. Step 4: Simplify right side
   9,906.41x = 105,758,038.04
5. Step 5: Solve for x
   x = 105,758,038.04/9,906.41
6. Step 6: Final answer
   x = 10,675.72