Finding the Fourth Proportional to 42,347.91, 58,414.46 and 28,007.67

Step by Step Solution

1. Step 1: Write the proportion equation
   42,347.91 : 58,414.46 = 28,007.67 : x
2. Step 2: Convert to fraction form
   42,347.91/58,414.46 = 28,007.67/x
3. Step 3: Cross multiply
   42,347.91x = 58,414.46 × 28,007.67
4. Step 4: Simplify right side
   42,347.91x = 1,636,052,778.87
5. Step 5: Solve for x
   x = 1,636,052,778.87/42,347.91
6. Step 6: Final answer
   x = 38,633.61