Finding the Fourth Proportional to 118,018.80, 162,867.78 and 64,303.83

Step by Step Solution

1. Step 1: Write the proportion equation
   118,018.80 : 162,867.78 = 64,303.83 : x
2. Step 2: Convert to fraction form
   118,018.80/162,867.78 = 64,303.83/x
3. Step 3: Cross multiply
   118,018.80x = 162,867.78 × 64,303.83
4. Step 4: Simplify right side
   118,018.80x = 10,473,022,037.60
5. Step 5: Solve for x
   x = 10,473,022,037.60/118,018.80
6. Step 6: Final answer
   x = 88,740.29