Finding the Fourth Proportional to 3,432.88, 5,147.40 and 2,338.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,432.88 : 5,147.40 = 2,338.72 : x
2. Step 2: Convert to fraction form
   3,432.88/5,147.40 = 2,338.72/x
3. Step 3: Cross multiply
   3,432.88x = 5,147.40 × 2,338.72
4. Step 4: Simplify right side
   3,432.88x = 12,038,327.33
5. Step 5: Solve for x
   x = 12,038,327.33/3,432.88
6. Step 6: Final answer
   x = 3,506.77