Finding the Fourth Proportional to 3,131,754, 4,697,865.24 and 888,072.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,131,754 : 4,697,865.24 = 888,072.72 : x
2. Step 2: Convert to fraction form
   3,131,754/4,697,865.24 = 888,072.72/x
3. Step 3: Cross multiply
   3,131,754x = 4,697,865.24 × 888,072.72
4. Step 4: Simplify right side
   3,131,754x = 4,172,045,961,880.25
5. Step 5: Solve for x
   x = 4,172,045,961,880.25/3,131,754
6. Step 6: Final answer
   x = 1,332,175.50