Finding the Fourth Proportional to 118,018.05, 162,866.11 and 64,303.96

Step by Step Solution

1. Step 1: Write the proportion equation
   118,018.05 : 162,866.11 = 64,303.96 : x
2. Step 2: Convert to fraction form
   118,018.05/162,866.11 = 64,303.96/x
3. Step 3: Cross multiply
   118,018.05x = 162,866.11 × 64,303.96
4. Step 4: Simplify right side
   118,018.05x = 10,472,936,096.62
5. Step 5: Solve for x
   x = 10,472,936,096.62/118,018.05
6. Step 6: Final answer
   x = 88,740.12