Finding the Fourth Proportional to 42,265.37, 63,394.38 and 25,620.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,265.37 : 63,394.38 = 25,620.50 : x
2. Step 2: Convert to fraction form
   42,265.37/63,394.38 = 25,620.50/x
3. Step 3: Cross multiply
   42,265.37x = 63,394.38 × 25,620.50
4. Step 4: Simplify right side
   42,265.37x = 1,624,195,395.82
5. Step 5: Solve for x
   x = 1,624,195,395.82/42,265.37
6. Step 6: Final answer
   x = 38,428.52