Finding the Fourth Proportional to 13,410.36, 20,118.42 and 4,051.08

Step by Step Solution

1. Step 1: Write the proportion equation
   13,410.36 : 20,118.42 = 4,051.08 : x
2. Step 2: Convert to fraction form
   13,410.36/20,118.42 = 4,051.08/x
3. Step 3: Cross multiply
   13,410.36x = 20,118.42 × 4,051.08
4. Step 4: Simplify right side
   13,410.36x = 81,501,328.89
5. Step 5: Solve for x
   x = 81,501,328.89/13,410.36
6. Step 6: Final answer
   x = 6,077.49