Finding the Fourth Proportional to 95,978.50, 132,450.45 and 53,539.72

Step by Step Solution

1. Step 1: Write the proportion equation
   95,978.50 : 132,450.45 = 53,539.72 : x
2. Step 2: Convert to fraction form
   95,978.50/132,450.45 = 53,539.72/x
3. Step 3: Cross multiply
   95,978.50x = 132,450.45 × 53,539.72
4. Step 4: Simplify right side
   95,978.50x = 7,091,360,006.87
5. Step 5: Solve for x
   x = 7,091,360,006.87/95,978.50
6. Step 6: Final answer
   x = 73,884.88