Finding the Fourth Proportional to 3,372.71, 5,059.41 and 907.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,372.71 : 5,059.41 = 907.55 : x
2. Step 2: Convert to fraction form
   3,372.71/5,059.41 = 907.55/x
3. Step 3: Cross multiply
   3,372.71x = 5,059.41 × 907.55
4. Step 4: Simplify right side
   3,372.71x = 4,591,667.55
5. Step 5: Solve for x
   x = 4,591,667.55/3,372.71
6. Step 6: Final answer
   x = 1,361.42