Finding the Fourth Proportional to 7,128.13, 10,692.06 and 1,934.05

Step by Step Solution

1. Step 1: Write the proportion equation
   7,128.13 : 10,692.06 = 1,934.05 : x
2. Step 2: Convert to fraction form
   7,128.13/10,692.06 = 1,934.05/x
3. Step 3: Cross multiply
   7,128.13x = 10,692.06 × 1,934.05
4. Step 4: Simplify right side
   7,128.13x = 20,678,978.64
5. Step 5: Solve for x
   x = 20,678,978.64/7,128.13
6. Step 6: Final answer
   x = 2,901.04