Finding the Fourth Proportional to 2,503.31, 3,755.57 and 1,530.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,503.31 : 3,755.57 = 1,530.09 : x
2. Step 2: Convert to fraction form
   2,503.31/3,755.57 = 1,530.09/x
3. Step 3: Cross multiply
   2,503.31x = 3,755.57 × 1,530.09
4. Step 4: Simplify right side
   2,503.31x = 5,746,352.45
5. Step 5: Solve for x
   x = 5,746,352.45/2,503.31
6. Step 6: Final answer
   x = 2,295.51