Finding the Fourth Proportional to 95,788.84, 142,839.41 and 89,140.36

Step by Step Solution

1. Step 1: Write the proportion equation
   95,788.84 : 142,839.41 = 89,140.36 : x
2. Step 2: Convert to fraction form
   95,788.84/142,839.41 = 89,140.36/x
3. Step 3: Cross multiply
   95,788.84x = 142,839.41 × 89,140.36
4. Step 4: Simplify right side
   95,788.84x = 12,732,756,429.59
5. Step 5: Solve for x
   x = 12,732,756,429.59/95,788.84
6. Step 6: Final answer
   x = 132,925.26