Finding the Fourth Proportional to 57,501.82, 86,245.44 and 42,732.28

Step by Step Solution

1. Step 1: Write the proportion equation
   57,501.82 : 86,245.44 = 42,732.28 : x
2. Step 2: Convert to fraction form
   57,501.82/86,245.44 = 42,732.28/x
3. Step 3: Cross multiply
   57,501.82x = 86,245.44 × 42,732.28
4. Step 4: Simplify right side
   57,501.82x = 3,685,464,290.80
5. Step 5: Solve for x
   x = 3,685,464,290.80/57,501.82
6. Step 6: Final answer
   x = 64,093.00