Finding the Fourth Proportional to 8,938.95, 12,335.45 and 5,401.54

Step by Step Solution

1. Step 1: Write the proportion equation
   8,938.95 : 12,335.45 = 5,401.54 : x
2. Step 2: Convert to fraction form
   8,938.95/12,335.45 = 5,401.54/x
3. Step 3: Cross multiply
   8,938.95x = 12,335.45 × 5,401.54
4. Step 4: Simplify right side
   8,938.95x = 66,630,426.59
5. Step 5: Solve for x
   x = 66,630,426.59/8,938.95
6. Step 6: Final answer
   x = 7,453.94