Finding the Fourth Proportional to 11,892.67, 17,837.58 and 3,128.26

Step by Step Solution

1. Step 1: Write the proportion equation
   11,892.67 : 17,837.58 = 3,128.26 : x
2. Step 2: Convert to fraction form
   11,892.67/17,837.58 = 3,128.26/x
3. Step 3: Cross multiply
   11,892.67x = 17,837.58 × 3,128.26
4. Step 4: Simplify right side
   11,892.67x = 55,800,588.01
5. Step 5: Solve for x
   x = 55,800,588.01/11,892.67
6. Step 6: Final answer
   x = 4,692.02