Finding the Fourth Proportional to 45,600.72, 62,930.05 and 28,605.68

Step by Step Solution

1. Step 1: Write the proportion equation
   45,600.72 : 62,930.05 = 28,605.68 : x
2. Step 2: Convert to fraction form
   45,600.72/62,930.05 = 28,605.68/x
3. Step 3: Cross multiply
   45,600.72x = 62,930.05 × 28,605.68
4. Step 4: Simplify right side
   45,600.72x = 1,800,156,872.68
5. Step 5: Solve for x
   x = 1,800,156,872.68/45,600.72
6. Step 6: Final answer
   x = 39,476.50