Finding the Fourth Proportional to 123,649.08, 170,636.22 and 67,061.40

Step by Step Solution

1. Step 1: Write the proportion equation
   123,649.08 : 170,636.22 = 67,061.40 : x
2. Step 2: Convert to fraction form
   123,649.08/170,636.22 = 67,061.40/x
3. Step 3: Cross multiply
   123,649.08x = 170,636.22 × 67,061.40
4. Step 4: Simplify right side
   123,649.08x = 11,443,103,803.91
5. Step 5: Solve for x
   x = 11,443,103,803.91/123,649.08
6. Step 6: Final answer
   x = 92,545.00