Finding the Fourth Proportional to 5,074.77, 7,002.71 and 2,836.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,074.77 : 7,002.71 = 2,836.34 : x
2. Step 2: Convert to fraction form
   5,074.77/7,002.71 = 2,836.34/x
3. Step 3: Cross multiply
   5,074.77x = 7,002.71 × 2,836.34
4. Step 4: Simplify right side
   5,074.77x = 19,862,017.29
5. Step 5: Solve for x
   x = 19,862,017.29/5,074.77
6. Step 6: Final answer
   x = 3,913.88