Finding the Fourth Proportional to 12,124.86, 18,185.23 and 3,357.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,124.86 : 18,185.23 = 3,357.72 : x
2. Step 2: Convert to fraction form
   12,124.86/18,185.23 = 3,357.72/x
3. Step 3: Cross multiply
   12,124.86x = 18,185.23 × 3,357.72
4. Step 4: Simplify right side
   12,124.86x = 61,060,893.69
5. Step 5: Solve for x
   x = 61,060,893.69/12,124.86
6. Step 6: Final answer
   x = 5,036.01