Finding the Fourth Proportional to 12,425.82, 18,638.64 and 5,030.17

Step by Step Solution

1. Step 1: Write the proportion equation
   12,425.82 : 18,638.64 = 5,030.17 : x
2. Step 2: Convert to fraction form
   12,425.82/18,638.64 = 5,030.17/x
3. Step 3: Cross multiply
   12,425.82x = 18,638.64 × 5,030.17
4. Step 4: Simplify right side
   12,425.82x = 93,755,527.77
5. Step 5: Solve for x
   x = 93,755,527.77/12,425.82
6. Step 6: Final answer
   x = 7,545.22