Finding the Fourth Proportional to 28,401.18, 42,604.17 and 7,625.82

Step by Step Solution

1. Step 1: Write the proportion equation
   28,401.18 : 42,604.17 = 7,625.82 : x
2. Step 2: Convert to fraction form
   28,401.18/42,604.17 = 7,625.82/x
3. Step 3: Cross multiply
   28,401.18x = 42,604.17 × 7,625.82
4. Step 4: Simplify right side
   28,401.18x = 324,891,731.67
5. Step 5: Solve for x
   x = 324,891,731.67/28,401.18
6. Step 6: Final answer
   x = 11,439.37