Finding the Fourth Proportional to 8,503.62, 12,758.71 and 2,957.54

Step by Step Solution

1. Step 1: Write the proportion equation
   8,503.62 : 12,758.71 = 2,957.54 : x
2. Step 2: Convert to fraction form
   8,503.62/12,758.71 = 2,957.54/x
3. Step 3: Cross multiply
   8,503.62x = 12,758.71 × 2,957.54
4. Step 4: Simplify right side
   8,503.62x = 37,734,395.17
5. Step 5: Solve for x
   x = 37,734,395.17/8,503.62
6. Step 6: Final answer
   x = 4,437.45