Finding the Fourth Proportional to 9,689.91, 14,535.15 and 2,670.03

Step by Step Solution

1. Step 1: Write the proportion equation
   9,689.91 : 14,535.15 = 2,670.03 : x
2. Step 2: Convert to fraction form
   9,689.91/14,535.15 = 2,670.03/x
3. Step 3: Cross multiply
   9,689.91x = 14,535.15 × 2,670.03
4. Step 4: Simplify right side
   9,689.91x = 38,809,286.55
5. Step 5: Solve for x
   x = 38,809,286.55/9,689.91
6. Step 6: Final answer
   x = 4,005.12