Finding the Fourth Proportional to 48,654.78, 72,980.82 and 13,593.48

Step by Step Solution

1. Step 1: Write the proportion equation
   48,654.78 : 72,980.82 = 13,593.48 : x
2. Step 2: Convert to fraction form
   48,654.78/72,980.82 = 13,593.48/x
3. Step 3: Cross multiply
   48,654.78x = 72,980.82 × 13,593.48
4. Step 4: Simplify right side
   48,654.78x = 992,063,317.05
5. Step 5: Solve for x
   x = 992,063,317.05/48,654.78
6. Step 6: Final answer
   x = 20,389.84