Finding the Fourth Proportional to 2,345.47, 3,519.78 and 1,250.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,345.47 : 3,519.78 = 1,250.59 : x
2. Step 2: Convert to fraction form
   2,345.47/3,519.78 = 1,250.59/x
3. Step 3: Cross multiply
   2,345.47x = 3,519.78 × 1,250.59
4. Step 4: Simplify right side
   2,345.47x = 4,401,801.67
5. Step 5: Solve for x
   x = 4,401,801.67/2,345.47
6. Step 6: Final answer
   x = 1,876.72