Finding the Fourth Proportional to 109,298.97, 150,931.31 and 69,084.09

Step by Step Solution

1. Step 1: Write the proportion equation
   109,298.97 : 150,931.31 = 69,084.09 : x
2. Step 2: Convert to fraction form
   109,298.97/150,931.31 = 69,084.09/x
3. Step 3: Cross multiply
   109,298.97x = 150,931.31 × 69,084.09
4. Step 4: Simplify right side
   109,298.97x = 10,426,951,858.44
5. Step 5: Solve for x
   x = 10,426,951,858.44/109,298.97
6. Step 6: Final answer
   x = 95,398.45