Finding the Fourth Proportional to 2,503.60, 3,453.56 and 1,570.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,503.60 : 3,453.56 = 1,570.48 : x
2. Step 2: Convert to fraction form
   2,503.60/3,453.56 = 1,570.48/x
3. Step 3: Cross multiply
   2,503.60x = 3,453.56 × 1,570.48
4. Step 4: Simplify right side
   2,503.60x = 5,423,746.91
5. Step 5: Solve for x
   x = 5,423,746.91/2,503.60
6. Step 6: Final answer
   x = 2,166.38