Finding the Fourth Proportional to 115,986.84, 160,152.30 and 89,086.74

Step by Step Solution

1. Step 1: Write the proportion equation
   115,986.84 : 160,152.30 = 89,086.74 : x
2. Step 2: Convert to fraction form
   115,986.84/160,152.30 = 89,086.74/x
3. Step 3: Cross multiply
   115,986.84x = 160,152.30 × 89,086.74
4. Step 4: Simplify right side
   115,986.84x = 14,267,446,310.50
5. Step 5: Solve for x
   x = 14,267,446,310.50/115,986.84
6. Step 6: Final answer
   x = 123,009.18