Finding the Fourth Proportional to 89,853.30, 134,196.35 and 84,487.86

Step by Step Solution

1. Step 1: Write the proportion equation
   89,853.30 : 134,196.35 = 84,487.86 : x
2. Step 2: Convert to fraction form
   89,853.30/134,196.35 = 84,487.86/x
3. Step 3: Cross multiply
   89,853.30x = 134,196.35 × 84,487.86
4. Step 4: Simplify right side
   89,853.30x = 11,337,962,008.87
5. Step 5: Solve for x
   x = 11,337,962,008.87/89,853.30
6. Step 6: Final answer
   x = 126,183.03