Finding the Fourth Proportional to 117,914.89, 162,725.49 and 64,202.86

Step by Step Solution

1. Step 1: Write the proportion equation
   117,914.89 : 162,725.49 = 64,202.86 : x
2. Step 2: Convert to fraction form
   117,914.89/162,725.49 = 64,202.86/x
3. Step 3: Cross multiply
   117,914.89x = 162,725.49 × 64,202.86
4. Step 4: Simplify right side
   117,914.89x = 10,447,442,056.31
5. Step 5: Solve for x
   x = 10,447,442,056.31/117,914.89
6. Step 6: Final answer
   x = 88,601.55