Finding the Fourth Proportional to 12,059.40, 18,066.24 and 7,114.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,059.40 : 18,066.24 = 7,114.32 : x
2. Step 2: Convert to fraction form
   12,059.40/18,066.24 = 7,114.32/x
3. Step 3: Cross multiply
   12,059.40x = 18,066.24 × 7,114.32
4. Step 4: Simplify right side
   12,059.40x = 128,529,012.56
5. Step 5: Solve for x
   x = 128,529,012.56/12,059.40
6. Step 6: Final answer
   x = 10,657.99