Finding the Fourth Proportional to 118,059.75, 162,920.43 and 64,345.41

Step by Step Solution

1. Step 1: Write the proportion equation
   118,059.75 : 162,920.43 = 64,345.41 : x
2. Step 2: Convert to fraction form
   118,059.75/162,920.43 = 64,345.41/x
3. Step 3: Cross multiply
   118,059.75x = 162,920.43 × 64,345.41
4. Step 4: Simplify right side
   118,059.75x = 10,483,181,865.73
5. Step 5: Solve for x
   x = 10,483,181,865.73/118,059.75
6. Step 6: Final answer
   x = 88,795.56