Finding the Fourth Proportional to 48,503.42, 72,755.16 and 13,443.38

Step by Step Solution

1. Step 1: Write the proportion equation
   48,503.42 : 72,755.16 = 13,443.38 : x
2. Step 2: Convert to fraction form
   48,503.42/72,755.16 = 13,443.38/x
3. Step 3: Cross multiply
   48,503.42x = 72,755.16 × 13,443.38
4. Step 4: Simplify right side
   48,503.42x = 978,075,262.84
5. Step 5: Solve for x
   x = 978,075,262.84/48,503.42
6. Step 6: Final answer
   x = 20,165.08