Finding the Fourth Proportional to 9,642.57, 14,463.59 and 3,069.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,642.57 : 14,463.59 = 3,069.15 : x
2. Step 2: Convert to fraction form
   9,642.57/14,463.59 = 3,069.15/x
3. Step 3: Cross multiply
   9,642.57x = 14,463.59 × 3,069.15
4. Step 4: Simplify right side
   9,642.57x = 44,390,911.90
5. Step 5: Solve for x
   x = 44,390,911.90/9,642.57
6. Step 6: Final answer
   x = 4,603.64