Finding the Fourth Proportional to 48,424.89, 72,641.51 and 13,364.54

Step by Step Solution

1. Step 1: Write the proportion equation
   48,424.89 : 72,641.51 = 13,364.54 : x
2. Step 2: Convert to fraction form
   48,424.89/72,641.51 = 13,364.54/x
3. Step 3: Cross multiply
   48,424.89x = 72,641.51 × 13,364.54
4. Step 4: Simplify right side
   48,424.89x = 970,820,667.16
5. Step 5: Solve for x
   x = 970,820,667.16/48,424.89
6. Step 6: Final answer
   x = 20,047.97