Finding the Fourth Proportional to 42,443.70, 58,573.42 and 25,450.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,443.70 : 58,573.42 = 25,450.72 : x
2. Step 2: Convert to fraction form
   42,443.70/58,573.42 = 25,450.72/x
3. Step 3: Cross multiply
   42,443.70x = 58,573.42 × 25,450.72
4. Step 4: Simplify right side
   42,443.70x = 1,490,735,711.86
5. Step 5: Solve for x
   x = 1,490,735,711.86/42,443.70
6. Step 6: Final answer
   x = 35,122.66