Finding the Fourth Proportional to 123,380.38, 170,263.61 and 69,662.19

Step by Step Solution

1. Step 1: Write the proportion equation
   123,380.38 : 170,263.61 = 69,662.19 : x
2. Step 2: Convert to fraction form
   123,380.38/170,263.61 = 69,662.19/x
3. Step 3: Cross multiply
   123,380.38x = 170,263.61 × 69,662.19
4. Step 4: Simplify right side
   123,380.38x = 11,860,935,601.60
5. Step 5: Solve for x
   x = 11,860,935,601.60/123,380.38
6. Step 6: Final answer
   x = 96,133.08