Finding the Fourth Proportional to 2,505.54, 3,457.17 and 1,573.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,505.54 : 3,457.17 = 1,573.62 : x
2. Step 2: Convert to fraction form
   2,505.54/3,457.17 = 1,573.62/x
3. Step 3: Cross multiply
   2,505.54x = 3,457.17 × 1,573.62
4. Step 4: Simplify right side
   2,505.54x = 5,440,271.86
5. Step 5: Solve for x
   x = 5,440,271.86/2,505.54
6. Step 6: Final answer
   x = 2,171.30