Finding the Fourth Proportional to 108,498.12, 162,796.32 and 64,211.28

Step by Step Solution

1. Step 1: Write the proportion equation
   108,498.12 : 162,796.32 = 64,211.28 : x
2. Step 2: Convert to fraction form
   108,498.12/162,796.32 = 64,211.28/x
3. Step 3: Cross multiply
   108,498.12x = 162,796.32 × 64,211.28
4. Step 4: Simplify right side
   108,498.12x = 10,453,360,086.49
5. Step 5: Solve for x
   x = 10,453,360,086.49/108,498.12
6. Step 6: Final answer
   x = 96,346.00