Finding the Fourth Proportional to 2,672.55, 3,688.34 and 1,477.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,672.55 : 3,688.34 = 1,477.62 : x
2. Step 2: Convert to fraction form
   2,672.55/3,688.34 = 1,477.62/x
3. Step 3: Cross multiply
   2,672.55x = 3,688.34 × 1,477.62
4. Step 4: Simplify right side
   2,672.55x = 5,449,957.56
5. Step 5: Solve for x
   x = 5,449,957.56/2,672.55
6. Step 6: Final answer
   x = 2,039.24