Finding the Fourth Proportional to 6,513.04, 8,987.64 and 3,860.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,513.04 : 8,987.64 = 3,860.72 : x
2. Step 2: Convert to fraction form
   6,513.04/8,987.64 = 3,860.72/x
3. Step 3: Cross multiply
   6,513.04x = 8,987.64 × 3,860.72
4. Step 4: Simplify right side
   6,513.04x = 34,698,761.50
5. Step 5: Solve for x
   x = 34,698,761.50/6,513.04
6. Step 6: Final answer
   x = 5,327.58