Finding the Fourth Proportional to 7,287.98, 10,937.28 and 2,906.69

Step by Step Solution

1. Step 1: Write the proportion equation
   7,287.98 : 10,937.28 = 2,906.69 : x
2. Step 2: Convert to fraction form
   7,287.98/10,937.28 = 2,906.69/x
3. Step 3: Cross multiply
   7,287.98x = 10,937.28 × 2,906.69
4. Step 4: Simplify right side
   7,287.98x = 31,791,227.72
5. Step 5: Solve for x
   x = 31,791,227.72/7,287.98
6. Step 6: Final answer
   x = 4,362.15