Finding the Fourth Proportional to 149,185,099.49, 205,881,786.45 and 83,105,517.78

Step by Step Solution

1. Step 1: Write the proportion equation
   149,185,099.49 : 205,881,786.45 = 83,105,517.78 : x
2. Step 2: Convert to fraction form
   149,185,099.49/205,881,786.45 = 83,105,517.78/x
3. Step 3: Cross multiply
   149,185,099.49x = 205,881,786.45 × 83,105,517.78
4. Step 4: Simplify right side
   149,185,099.49x = 17,109,912,464,398,638
5. Step 5: Solve for x
   x = 17,109,912,464,398,638/149,185,099.49
6. Step 6: Final answer
   x = 114,689,151.42