Finding the Fourth Proportional to 3,148.79, 4,345.06 and 1,822.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,148.79 : 4,345.06 = 1,822.57 : x
2. Step 2: Convert to fraction form
   3,148.79/4,345.06 = 1,822.57/x
3. Step 3: Cross multiply
   3,148.79x = 4,345.06 × 1,822.57
4. Step 4: Simplify right side
   3,148.79x = 7,919,166.89
5. Step 5: Solve for x
   x = 7,919,166.89/3,148.79
6. Step 6: Final answer
   x = 2,514.99