Finding the Fourth Proportional to 42,187.50, 58,226.04 and 25,420.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,187.50 : 58,226.04 = 25,420.50 : x
2. Step 2: Convert to fraction form
   42,187.50/58,226.04 = 25,420.50/x
3. Step 3: Cross multiply
   42,187.50x = 58,226.04 × 25,420.50
4. Step 4: Simplify right side
   42,187.50x = 1,480,135,049.82
5. Step 5: Solve for x
   x = 1,480,135,049.82/42,187.50
6. Step 6: Final answer
   x = 35,084.68