Finding the Fourth Proportional to 5,002.79, 6,904.28 and 2,907.59

Step by Step Solution

1. Step 1: Write the proportion equation
   5,002.79 : 6,904.28 = 2,907.59 : x
2. Step 2: Convert to fraction form
   5,002.79/6,904.28 = 2,907.59/x
3. Step 3: Cross multiply
   5,002.79x = 6,904.28 × 2,907.59
4. Step 4: Simplify right side
   5,002.79x = 20,074,788.23
5. Step 5: Solve for x
   x = 20,074,788.23/5,002.79
6. Step 6: Final answer
   x = 4,012.72