Finding the Fourth Proportional to 2,084.48, 2,876.10 and 1,245.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,084.48 : 2,876.10 = 1,245.45 : x
2. Step 2: Convert to fraction form
   2,084.48/2,876.10 = 1,245.45/x
3. Step 3: Cross multiply
   2,084.48x = 2,876.10 × 1,245.45
4. Step 4: Simplify right side
   2,084.48x = 3,582,044.86
5. Step 5: Solve for x
   x = 3,582,044.86/2,084.48
6. Step 6: Final answer
   x = 1,718.44