Finding the Fourth Proportional to 7,088.89, 10,634.64 and 2,928.10

Step by Step Solution

1. Step 1: Write the proportion equation
   7,088.89 : 10,634.64 = 2,928.10 : x
2. Step 2: Convert to fraction form
   7,088.89/10,634.64 = 2,928.10/x
3. Step 3: Cross multiply
   7,088.89x = 10,634.64 × 2,928.10
4. Step 4: Simplify right side
   7,088.89x = 31,139,289.38
5. Step 5: Solve for x
   x = 31,139,289.38/7,088.89
6. Step 6: Final answer
   x = 4,392.69