Finding the Fourth Proportional to 39,843, 54,990.72 and 23,076

Step by Step Solution

1. Step 1: Write the proportion equation
   39,843 : 54,990.72 = 23,076 : x
2. Step 2: Convert to fraction form
   39,843/54,990.72 = 23,076/x
3. Step 3: Cross multiply
   39,843x = 54,990.72 × 23,076
4. Step 4: Simplify right side
   39,843x = 1,268,965,854.72
5. Step 5: Solve for x
   x = 1,268,965,854.72/39,843
6. Step 6: Final answer
   x = 31,849.15