Finding the Fourth Proportional to 155,892.72, 233,839.06 and 89,286.68

Step by Step Solution

1. Step 1: Write the proportion equation
   155,892.72 : 233,839.06 = 89,286.68 : x
2. Step 2: Convert to fraction form
   155,892.72/233,839.06 = 89,286.68/x
3. Step 3: Cross multiply
   155,892.72x = 233,839.06 × 89,286.68
4. Step 4: Simplify right side
   155,892.72x = 20,878,713,321.72
5. Step 5: Solve for x
   x = 20,878,713,321.72/155,892.72
6. Step 6: Final answer
   x = 133,930.01