Finding the Fourth Proportional to 12,125.86, 18,186.72 and 3,358.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,125.86 : 18,186.72 = 3,358.72 : x
2. Step 2: Convert to fraction form
   12,125.86/18,186.72 = 3,358.72/x
3. Step 3: Cross multiply
   12,125.86x = 18,186.72 × 3,358.72
4. Step 4: Simplify right side
   12,125.86x = 61,084,100.20
5. Step 5: Solve for x
   x = 61,084,100.20/12,125.86
6. Step 6: Final answer
   x = 5,037.51