Finding the Fourth Proportional to 41,114, 61,680.72 and 13,412

Step by Step Solution

1. Step 1: Write the proportion equation
   41,114 : 61,680.72 = 13,412 : x
2. Step 2: Convert to fraction form
   41,114/61,680.72 = 13,412/x
3. Step 3: Cross multiply
   41,114x = 61,680.72 × 13,412
4. Step 4: Simplify right side
   41,114x = 827,261,816.64
5. Step 5: Solve for x
   x = 827,261,816.64/41,114
6. Step 6: Final answer
   x = 20,121.17