Finding the Fourth Proportional to 261,317,087.84, 360,627,096.83 and 142,233,928.58

Step by Step Solution

1. Step 1: Write the proportion equation
   261,317,087.84 : 360,627,096.83 = 142,233,928.58 : x
2. Step 2: Convert to fraction form
   261,317,087.84/360,627,096.83 = 142,233,928.58/x
3. Step 3: Cross multiply
   261,317,087.84x = 360,627,096.83 × 142,233,928.58
4. Step 4: Simplify right side
   261,317,087.84x = 51,293,408,732,016,656
5. Step 5: Solve for x
   x = 51,293,408,732,016,656/261,317,087.84
6. Step 6: Final answer
   x = 196,288,000.75