Finding the Fourth Proportional to 73,111.29, 109,710.68 and 67,162.65

Step by Step Solution

1. Step 1: Write the proportion equation
   73,111.29 : 109,710.68 = 67,162.65 : x
2. Step 2: Convert to fraction form
   73,111.29/109,710.68 = 67,162.65/x
3. Step 3: Cross multiply
   73,111.29x = 109,710.68 × 67,162.65
4. Step 4: Simplify right side
   73,111.29x = 7,368,460,170.01
5. Step 5: Solve for x
   x = 7,368,460,170.01/73,111.29
6. Step 6: Final answer
   x = 100,784.16