Finding the Fourth Proportional to 118,087.56, 162,957.60 and 64,373.67

Step by Step Solution

1. Step 1: Write the proportion equation
   118,087.56 : 162,957.60 = 64,373.67 : x
2. Step 2: Convert to fraction form
   118,087.56/162,957.60 = 64,373.67/x
3. Step 3: Cross multiply
   118,087.56x = 162,957.60 × 64,373.67
4. Step 4: Simplify right side
   118,087.56x = 10,490,178,766.39
5. Step 5: Solve for x
   x = 10,490,178,766.39/118,087.56
6. Step 6: Final answer
   x = 88,833.90