Finding the Fourth Proportional to 57,265.82, 79,036.32 and 31,780.38

Step by Step Solution

1. Step 1: Write the proportion equation
   57,265.82 : 79,036.32 = 31,780.38 : x
2. Step 2: Convert to fraction form
   57,265.82/79,036.32 = 31,780.38/x
3. Step 3: Cross multiply
   57,265.82x = 79,036.32 × 31,780.38
4. Step 4: Simplify right side
   57,265.82x = 2,511,804,032.10
5. Step 5: Solve for x
   x = 2,511,804,032.10/57,265.82
6. Step 6: Final answer
   x = 43,862.18