Finding the Fourth Proportional to 123,784.92, 170,823.02 and 67,196.30

Step by Step Solution

1. Step 1: Write the proportion equation
   123,784.92 : 170,823.02 = 67,196.30 : x
2. Step 2: Convert to fraction form
   123,784.92/170,823.02 = 67,196.30/x
3. Step 3: Cross multiply
   123,784.92x = 170,823.02 × 67,196.30
4. Step 4: Simplify right side
   123,784.92x = 11,478,674,898.83
5. Step 5: Solve for x
   x = 11,478,674,898.83/123,784.92
6. Step 6: Final answer
   x = 92,730.80