Finding the Fourth Proportional to 9,612.87, 13,266.56 and 7,061.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,612.87 : 13,266.56 = 7,061.59 : x
2. Step 2: Convert to fraction form
   9,612.87/13,266.56 = 7,061.59/x
3. Step 3: Cross multiply
   9,612.87x = 13,266.56 × 7,061.59
4. Step 4: Simplify right side
   9,612.87x = 93,683,007.43
5. Step 5: Solve for x
   x = 93,683,007.43/9,612.87
6. Step 6: Final answer
   x = 9,745.58