Finding the Fourth Proportional to 123,835.83, 170,891.94 and 67,247.61

Step by Step Solution

1. Step 1: Write the proportion equation
   123,835.83 : 170,891.94 = 67,247.61 : x
2. Step 2: Convert to fraction form
   123,835.83/170,891.94 = 67,247.61/x
3. Step 3: Cross multiply
   123,835.83x = 170,891.94 × 67,247.61
4. Step 4: Simplify right side
   123,835.83x = 11,492,074,533.26
5. Step 5: Solve for x
   x = 11,492,074,533.26/123,835.83
6. Step 6: Final answer
   x = 92,800.88