Finding the Fourth Proportional to 41,685.48, 62,534.72 and 13,977

Step by Step Solution

1. Step 1: Write the proportion equation
   41,685.48 : 62,534.72 = 13,977 : x
2. Step 2: Convert to fraction form
   41,685.48/62,534.72 = 13,977/x
3. Step 3: Cross multiply
   41,685.48x = 62,534.72 × 13,977
4. Step 4: Simplify right side
   41,685.48x = 874,047,781.44
5. Step 5: Solve for x
   x = 874,047,781.44/41,685.48
6. Step 6: Final answer
   x = 20,967.68