Finding the Fourth Proportional to 123,003.40, 169,760.74 and 69,298.78

Step by Step Solution

1. Step 1: Write the proportion equation
   123,003.40 : 169,760.74 = 69,298.78 : x
2. Step 2: Convert to fraction form
   123,003.40/169,760.74 = 69,298.78/x
3. Step 3: Cross multiply
   123,003.40x = 169,760.74 × 69,298.78
4. Step 4: Simplify right side
   123,003.40x = 11,764,212,173.90
5. Step 5: Solve for x
   x = 11,764,212,173.90/123,003.40
6. Step 6: Final answer
   x = 95,641.36