Finding the Fourth Proportional to 42,164.50, 58,187.01 and 25,400.74

Step by Step Solution

1. Step 1: Write the proportion equation
   42,164.50 : 58,187.01 = 25,400.74 : x
2. Step 2: Convert to fraction form
   42,164.50/58,187.01 = 25,400.74/x
3. Step 3: Cross multiply
   42,164.50x = 58,187.01 × 25,400.74
4. Step 4: Simplify right side
   42,164.50x = 1,477,993,112.39
5. Step 5: Solve for x
   x = 1,477,993,112.39/42,164.50
6. Step 6: Final answer
   x = 35,053.02