Finding the Fourth Proportional to 9,002.68, 13,510.06 and 3,159.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,002.68 : 13,510.06 = 3,159.30 : x
2. Step 2: Convert to fraction form
   9,002.68/13,510.06 = 3,159.30/x
3. Step 3: Cross multiply
   9,002.68x = 13,510.06 × 3,159.30
4. Step 4: Simplify right side
   9,002.68x = 42,682,375.32
5. Step 5: Solve for x
   x = 42,682,375.32/9,002.68
6. Step 6: Final answer
   x = 4,741.08