Finding the Fourth Proportional to 12,068.10, 18,088.14 and 7,141.92

Step by Step Solution

1. Step 1: Write the proportion equation
   12,068.10 : 18,088.14 = 7,141.92 : x
2. Step 2: Convert to fraction form
   12,068.10/18,088.14 = 7,141.92/x
3. Step 3: Cross multiply
   12,068.10x = 18,088.14 × 7,141.92
4. Step 4: Simplify right side
   12,068.10x = 129,184,048.83
5. Step 5: Solve for x
   x = 129,184,048.83/12,068.10
6. Step 6: Final answer
   x = 10,704.59