Finding the Fourth Proportional to 12,425.50, 18,639.01 and 5,030.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,425.50 : 18,639.01 = 5,030.10 : x
2. Step 2: Convert to fraction form
   12,425.50/18,639.01 = 5,030.10/x
3. Step 3: Cross multiply
   12,425.50x = 18,639.01 × 5,030.10
4. Step 4: Simplify right side
   12,425.50x = 93,756,090.49
5. Step 5: Solve for x
   x = 93,756,090.49/12,425.50
6. Step 6: Final answer
   x = 7,545.46