Finding the Fourth Proportional to 12,065.32, 18,089.34 and 5,913.64

Step by Step Solution

1. Step 1: Write the proportion equation
   12,065.32 : 18,089.34 = 5,913.64 : x
2. Step 2: Convert to fraction form
   12,065.32/18,089.34 = 5,913.64/x
3. Step 3: Cross multiply
   12,065.32x = 18,089.34 × 5,913.64
4. Step 4: Simplify right side
   12,065.32x = 106,973,844.60
5. Step 5: Solve for x
   x = 106,973,844.60/12,065.32
6. Step 6: Final answer
   x = 8,866.23