Finding the Fourth Proportional to 10,840.90, 14,972.78 and 7,297.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,840.90 : 14,972.78 = 7,297.96 : x
2. Step 2: Convert to fraction form
   10,840.90/14,972.78 = 7,297.96/x
3. Step 3: Cross multiply
   10,840.90x = 14,972.78 × 7,297.96
4. Step 4: Simplify right side
   10,840.90x = 109,270,749.53
5. Step 5: Solve for x
   x = 109,270,749.53/10,840.90
6. Step 6: Final answer
   x = 10,079.49