Finding the Fourth Proportional to 36,992, 55,477.56 and 12,026.72

Step by Step Solution

1. Step 1: Write the proportion equation
   36,992 : 55,477.56 = 12,026.72 : x
2. Step 2: Convert to fraction form
   36,992/55,477.56 = 12,026.72/x
3. Step 3: Cross multiply
   36,992x = 55,477.56 × 12,026.72
4. Step 4: Simplify right side
   36,992x = 667,213,080.40
5. Step 5: Solve for x
   x = 667,213,080.40/36,992
6. Step 6: Final answer
   x = 18,036.69