Finding the Fourth Proportional to 123,649.65, 170,636.73 and 67,061.07

Step by Step Solution

1. Step 1: Write the proportion equation
   123,649.65 : 170,636.73 = 67,061.07 : x
2. Step 2: Convert to fraction form
   123,649.65/170,636.73 = 67,061.07/x
3. Step 3: Cross multiply
   123,649.65x = 170,636.73 × 67,061.07
4. Step 4: Simplify right side
   123,649.65x = 11,443,081,695.10
5. Step 5: Solve for x
   x = 11,443,081,695.10/123,649.65
6. Step 6: Final answer
   x = 92,544.39