Finding the Fourth Proportional to 118,004.96, 162,846.20 and 64,289.84

Step by Step Solution

1. Step 1: Write the proportion equation
   118,004.96 : 162,846.20 = 64,289.84 : x
2. Step 2: Convert to fraction form
   118,004.96/162,846.20 = 64,289.84/x
3. Step 3: Cross multiply
   118,004.96x = 162,846.20 × 64,289.84
4. Step 4: Simplify right side
   118,004.96x = 10,469,356,142.61
5. Step 5: Solve for x
   x = 10,469,356,142.61/118,004.96
6. Step 6: Final answer
   x = 88,719.63