Finding the Fourth Proportional to 2,500.34, 3,450.47 and 1,505.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,500.34 : 3,450.47 = 1,505.86 : x
2. Step 2: Convert to fraction form
   2,500.34/3,450.47 = 1,505.86/x
3. Step 3: Cross multiply
   2,500.34x = 3,450.47 × 1,505.86
4. Step 4: Simplify right side
   2,500.34x = 5,195,908.60
5. Step 5: Solve for x
   x = 5,195,908.60/2,500.34
6. Step 6: Final answer
   x = 2,078.08