Finding the Fourth Proportional to 57,488.82, 86,331.33 and 31,244.82

Step by Step Solution

1. Step 1: Write the proportion equation
   57,488.82 : 86,331.33 = 31,244.82 : x
2. Step 2: Convert to fraction form
   57,488.82/86,331.33 = 31,244.82/x
3. Step 3: Cross multiply
   57,488.82x = 86,331.33 × 31,244.82
4. Step 4: Simplify right side
   57,488.82x = 2,697,406,866.21
5. Step 5: Solve for x
   x = 2,697,406,866.21/57,488.82
6. Step 6: Final answer
   x = 46,920.55