Finding the Fourth Proportional to 10,840.89, 14,942.53 and 7,254.57

Step by Step Solution

1. Step 1: Write the proportion equation
   10,840.89 : 14,942.53 = 7,254.57 : x
2. Step 2: Convert to fraction form
   10,840.89/14,942.53 = 7,254.57/x
3. Step 3: Cross multiply
   10,840.89x = 14,942.53 × 7,254.57
4. Step 4: Simplify right side
   10,840.89x = 108,401,611.73
5. Step 5: Solve for x
   x = 108,401,611.73/10,840.89
6. Step 6: Final answer
   x = 9,999.33