Finding the Fourth Proportional to 117,457.46, 162,091.72 and 63,742.46

Step by Step Solution

1. Step 1: Write the proportion equation
   117,457.46 : 162,091.72 = 63,742.46 : x
2. Step 2: Convert to fraction form
   117,457.46/162,091.72 = 63,742.46/x
3. Step 3: Cross multiply
   117,457.46x = 162,091.72 × 63,742.46
4. Step 4: Simplify right side
   117,457.46x = 10,332,124,978.43
5. Step 5: Solve for x
   x = 10,332,124,978.43/117,457.46
6. Step 6: Final answer
   x = 87,964.83