Finding the Fourth Proportional to 108,079.49, 149,028.41 and 69,788.76

Step by Step Solution

1. Step 1: Write the proportion equation
   108,079.49 : 149,028.41 = 69,788.76 : x
2. Step 2: Convert to fraction form
   108,079.49/149,028.41 = 69,788.76/x
3. Step 3: Cross multiply
   108,079.49x = 149,028.41 × 69,788.76
4. Step 4: Simplify right side
   108,079.49x = 10,400,508,419.15
5. Step 5: Solve for x
   x = 10,400,508,419.15/108,079.49
6. Step 6: Final answer
   x = 96,230.18