Finding the Fourth Proportional to 91,644.54, 137,488.68 and 32,485.38

Step by Step Solution

1. Step 1: Write the proportion equation
   91,644.54 : 137,488.68 = 32,485.38 : x
2. Step 2: Convert to fraction form
   91,644.54/137,488.68 = 32,485.38/x
3. Step 3: Cross multiply
   91,644.54x = 137,488.68 × 32,485.38
4. Step 4: Simplify right side
   91,644.54x = 4,466,372,015.50
5. Step 5: Solve for x
   x = 4,466,372,015.50/91,644.54
6. Step 6: Final answer
   x = 48,735.82