Finding the Fourth Proportional to 52,873.48, 72,940.25 and 31,648.64

Step by Step Solution

1. Step 1: Write the proportion equation
   52,873.48 : 72,940.25 = 31,648.64 : x
2. Step 2: Convert to fraction form
   52,873.48/72,940.25 = 31,648.64/x
3. Step 3: Cross multiply
   52,873.48x = 72,940.25 × 31,648.64
4. Step 4: Simplify right side
   52,873.48x = 2,308,459,555.52
5. Step 5: Solve for x
   x = 2,308,459,555.52/52,873.48
6. Step 6: Final answer
   x = 43,660.07