Finding the Fourth Proportional to 57,735, 86,631.20 and 32,418.76

Step by Step Solution

1. Step 1: Write the proportion equation
   57,735 : 86,631.20 = 32,418.76 : x
2. Step 2: Convert to fraction form
   57,735/86,631.20 = 32,418.76/x
3. Step 3: Cross multiply
   57,735x = 86,631.20 × 32,418.76
4. Step 4: Simplify right side
   57,735x = 2,808,476,081.31
5. Step 5: Solve for x
   x = 2,808,476,081.31/57,735
6. Step 6: Final answer
   x = 48,644.26