Finding the Fourth Proportional to 67,402.49, 101,106.18 and 25,278.30

Step by Step Solution

1. Step 1: Write the proportion equation
   67,402.49 : 101,106.18 = 25,278.30 : x
2. Step 2: Convert to fraction form
   67,402.49/101,106.18 = 25,278.30/x
3. Step 3: Cross multiply
   67,402.49x = 101,106.18 × 25,278.30
4. Step 4: Simplify right side
   67,402.49x = 2,555,792,349.89
5. Step 5: Solve for x
   x = 2,555,792,349.89/67,402.49
6. Step 6: Final answer
   x = 37,918.37