Finding the Fourth Proportional to 12,434.55, 18,645.00 and 4,930.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,434.55 : 18,645.00 = 4,930.50 : x
2. Step 2: Convert to fraction form
   12,434.55/18,645.00 = 4,930.50/x
3. Step 3: Cross multiply
   12,434.55x = 18,645.00 × 4,930.50
4. Step 4: Simplify right side
   12,434.55x = 91,929,147.85
5. Step 5: Solve for x
   x = 91,929,147.85/12,434.55
6. Step 6: Final answer
   x = 7,393.04