Finding the Fourth Proportional to 95,978.20, 132,446.94 and 53,543.92

Step by Step Solution

1. Step 1: Write the proportion equation
   95,978.20 : 132,446.94 = 53,543.92 : x
2. Step 2: Convert to fraction form
   95,978.20/132,446.94 = 53,543.92/x
3. Step 3: Cross multiply
   95,978.20x = 132,446.94 × 53,543.92
4. Step 4: Simplify right side
   95,978.20x = 7,091,728,359.60
5. Step 5: Solve for x
   x = 7,091,728,359.60/95,978.20
6. Step 6: Final answer
   x = 73,888.95