Finding the Fourth Proportional to 12,131.56, 16,741.86 and 7,418.44

Step by Step Solution

1. Step 1: Write the proportion equation
   12,131.56 : 16,741.86 = 7,418.44 : x
2. Step 2: Convert to fraction form
   12,131.56/16,741.86 = 7,418.44/x
3. Step 3: Cross multiply
   12,131.56x = 16,741.86 × 7,418.44
4. Step 4: Simplify right side
   12,131.56x = 124,198,483.90
5. Step 5: Solve for x
   x = 124,198,483.90/12,131.56
6. Step 6: Final answer
   x = 10,237.64