Finding the Fourth Proportional to 118,710.82, 163,820.94 and 64,995.84

Step by Step Solution

1. Step 1: Write the proportion equation
   118,710.82 : 163,820.94 = 64,995.84 : x
2. Step 2: Convert to fraction form
   118,710.82/163,820.94 = 64,995.84/x
3. Step 3: Cross multiply
   118,710.82x = 163,820.94 × 64,995.84
4. Step 4: Simplify right side
   118,710.82x = 10,647,679,604.89
5. Step 5: Solve for x
   x = 10,647,679,604.89/118,710.82
6. Step 6: Final answer
   x = 89,694.26