Finding the Fourth Proportional to 2,948.31, 4,066.59 and 2,503.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,948.31 : 4,066.59 = 2,503.15 : x
2. Step 2: Convert to fraction form
   2,948.31/4,066.59 = 2,503.15/x
3. Step 3: Cross multiply
   2,948.31x = 4,066.59 × 2,503.15
4. Step 4: Simplify right side
   2,948.31x = 10,179,284.76
5. Step 5: Solve for x
   x = 10,179,284.76/2,948.31
6. Step 6: Final answer
   x = 3,452.58