Finding the Fourth Proportional to 2,503.51, 3,455.05 and 1,455.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,503.51 : 3,455.05 = 1,455.50 : x
2. Step 2: Convert to fraction form
   2,503.51/3,455.05 = 1,455.50/x
3. Step 3: Cross multiply
   2,503.51x = 3,455.05 × 1,455.50
4. Step 4: Simplify right side
   2,503.51x = 5,028,825.28
5. Step 5: Solve for x
   x = 5,028,825.28/2,503.51
6. Step 6: Final answer
   x = 2,008.71