Finding the Fourth Proportional to 57,557,271.72, 79,429,241.31 and 31,451,789.28

Step by Step Solution

1. Step 1: Write the proportion equation
   57,557,271.72 : 79,429,241.31 = 31,451,789.28 : x
2. Step 2: Convert to fraction form
   57,557,271.72/79,429,241.31 = 31,451,789.28/x
3. Step 3: Cross multiply
   57,557,271.72x = 79,429,241.31 × 31,451,789.28
4. Step 4: Simplify right side
   57,557,271.72x = 2,498,191,760,352,391.50
5. Step 5: Solve for x
   x = 2,498,191,760,352,391.50/57,557,271.72
6. Step 6: Final answer
   x = 43,403,581.96