Finding the Fourth Proportional to 72,448.74, 108,673.52 and 32,978.25

Step by Step Solution

1. Step 1: Write the proportion equation
   72,448.74 : 108,673.52 = 32,978.25 : x
2. Step 2: Convert to fraction form
   72,448.74/108,673.52 = 32,978.25/x
3. Step 3: Cross multiply
   72,448.74x = 108,673.52 × 32,978.25
4. Step 4: Simplify right side
   72,448.74x = 3,583,862,346.05
5. Step 5: Solve for x
   x = 3,583,862,346.05/72,448.74
6. Step 6: Final answer
   x = 49,467.56