Finding the Fourth Proportional to 48,610.37, 72,921.69 and 13,550.01

Step by Step Solution

1. Step 1: Write the proportion equation
   48,610.37 : 72,921.69 = 13,550.01 : x
2. Step 2: Convert to fraction form
   48,610.37/72,921.69 = 13,550.01/x
3. Step 3: Cross multiply
   48,610.37x = 72,921.69 × 13,550.01
4. Step 4: Simplify right side
   48,610.37x = 988,089,628.72
5. Step 5: Solve for x
   x = 988,089,628.72/48,610.37
6. Step 6: Final answer
   x = 20,326.73