Finding the Fourth Proportional to 48,499.16, 72,674.55 and 32,645.57

Step by Step Solution

1. Step 1: Write the proportion equation
   48,499.16 : 72,674.55 = 32,645.57 : x
2. Step 2: Convert to fraction form
   48,499.16/72,674.55 = 32,645.57/x
3. Step 3: Cross multiply
   48,499.16x = 72,674.55 × 32,645.57
4. Step 4: Simplify right side
   48,499.16x = 2,372,501,745.87
5. Step 5: Solve for x
   x = 2,372,501,745.87/48,499.16
6. Step 6: Final answer
   x = 48,918.41