Finding the Fourth Proportional to 45,556.84, 62,868.78 and 25,415

Step by Step Solution

1. Step 1: Write the proportion equation
   45,556.84 : 62,868.78 = 25,415 : x
2. Step 2: Convert to fraction form
   45,556.84/62,868.78 = 25,415/x
3. Step 3: Cross multiply
   45,556.84x = 62,868.78 × 25,415
4. Step 4: Simplify right side
   45,556.84x = 1,597,810,043.70
5. Step 5: Solve for x
   x = 1,597,810,043.70/45,556.84
6. Step 6: Final answer
   x = 35,072.89