Finding the Fourth Proportional to 9,611.06, 13,262.81 and 5,361.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,611.06 : 13,262.81 = 5,361.86 : x
2. Step 2: Convert to fraction form
   9,611.06/13,262.81 = 5,361.86/x
3. Step 3: Cross multiply
   9,611.06x = 13,262.81 × 5,361.86
4. Step 4: Simplify right side
   9,611.06x = 71,113,336.77
5. Step 5: Solve for x
   x = 71,113,336.77/9,611.06
6. Step 6: Final answer
   x = 7,399.12