Finding the Fourth Proportional to 22,710.07, 34,066.54 and 7,128.31

Step by Step Solution

1. Step 1: Write the proportion equation
   22,710.07 : 34,066.54 = 7,128.31 : x
2. Step 2: Convert to fraction form
   22,710.07/34,066.54 = 7,128.31/x
3. Step 3: Cross multiply
   22,710.07x = 34,066.54 × 7,128.31
4. Step 4: Simplify right side
   22,710.07x = 242,836,781.49
5. Step 5: Solve for x
   x = 242,836,781.49/22,710.07
6. Step 6: Final answer
   x = 10,692.91