Finding the Fourth Proportional to 8,002.98, 12,002.01 and 2,807.64

Step by Step Solution

1. Step 1: Write the proportion equation
   8,002.98 : 12,002.01 = 2,807.64 : x
2. Step 2: Convert to fraction form
   8,002.98/12,002.01 = 2,807.64/x
3. Step 3: Cross multiply
   8,002.98x = 12,002.01 × 2,807.64
4. Step 4: Simplify right side
   8,002.98x = 33,697,323.36
5. Step 5: Solve for x
   x = 33,697,323.36/8,002.98
6. Step 6: Final answer
   x = 4,210.60