Finding the Fourth Proportional to 7,032.78, 10,540.94 and 2,870.19

Step by Step Solution

1. Step 1: Write the proportion equation
   7,032.78 : 10,540.94 = 2,870.19 : x
2. Step 2: Convert to fraction form
   7,032.78/10,540.94 = 2,870.19/x
3. Step 3: Cross multiply
   7,032.78x = 10,540.94 × 2,870.19
4. Step 4: Simplify right side
   7,032.78x = 30,254,486.23
5. Step 5: Solve for x
   x = 30,254,486.23/7,032.78
6. Step 6: Final answer
   x = 4,301.92