Finding the Fourth Proportional to 12,250.69, 18,376.23 and 3,485.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,250.69 : 18,376.23 = 3,485.83 : x
2. Step 2: Convert to fraction form
   12,250.69/18,376.23 = 3,485.83/x
3. Step 3: Cross multiply
   12,250.69x = 18,376.23 × 3,485.83
4. Step 4: Simplify right side
   12,250.69x = 64,056,321.94
5. Step 5: Solve for x
   x = 64,056,321.94/12,250.69
6. Step 6: Final answer
   x = 5,228.80