Finding the Fourth Proportional to 42,367.80, 58,469.40 and 25,374.81

Step by Step Solution

1. Step 1: Write the proportion equation
   42,367.80 : 58,469.40 = 25,374.81 : x
2. Step 2: Convert to fraction form
   42,367.80/58,469.40 = 25,374.81/x
3. Step 3: Cross multiply
   42,367.80x = 58,469.40 × 25,374.81
4. Step 4: Simplify right side
   42,367.80x = 1,483,649,788.94
5. Step 5: Solve for x
   x = 1,483,649,788.94/42,367.80
6. Step 6: Final answer
   x = 35,018.33