Finding the Fourth Proportional to 109,482.80, 163,896.15 and 65,086.70

Step by Step Solution

1. Step 1: Write the proportion equation
   109,482.80 : 163,896.15 = 65,086.70 : x
2. Step 2: Convert to fraction form
   109,482.80/163,896.15 = 65,086.70/x
3. Step 3: Cross multiply
   109,482.80x = 163,896.15 × 65,086.70
4. Step 4: Simplify right side
   109,482.80x = 10,667,459,546.21
5. Step 5: Solve for x
   x = 10,667,459,546.21/109,482.80
6. Step 6: Final answer
   x = 97,435.03