Finding the Fourth Proportional to 106,002.56, 146,216.40 and 79,116.32

Step by Step Solution

1. Step 1: Write the proportion equation
   106,002.56 : 146,216.40 = 79,116.32 : x
2. Step 2: Convert to fraction form
   106,002.56/146,216.40 = 79,116.32/x
3. Step 3: Cross multiply
   106,002.56x = 146,216.40 × 79,116.32
4. Step 4: Simplify right side
   106,002.56x = 11,568,103,491.65
5. Step 5: Solve for x
   x = 11,568,103,491.65/106,002.56
6. Step 6: Final answer
   x = 109,130.42