Finding the Fourth Proportional to 42,172.63, 58,241.82 and 36,480.05

Step by Step Solution

1. Step 1: Write the proportion equation
   42,172.63 : 58,241.82 = 36,480.05 : x
2. Step 2: Convert to fraction form
   42,172.63/58,241.82 = 36,480.05/x
3. Step 3: Cross multiply
   42,172.63x = 58,241.82 × 36,480.05
4. Step 4: Simplify right side
   42,172.63x = 2,124,664,692.10
5. Step 5: Solve for x
   x = 2,124,664,692.10/42,172.63
6. Step 6: Final answer
   x = 50,380.18