Finding the Fourth Proportional to 3,627.95, 5,440.78 and 1,406.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,627.95 : 5,440.78 = 1,406.62 : x
2. Step 2: Convert to fraction form
   3,627.95/5,440.78 = 1,406.62/x
3. Step 3: Cross multiply
   3,627.95x = 5,440.78 × 1,406.62
4. Step 4: Simplify right side
   3,627.95x = 7,653,110.61
5. Step 5: Solve for x
   x = 7,653,110.61/3,627.95
6. Step 6: Final answer
   x = 2,109.49