Finding the Fourth Proportional to 89,455.50, 123,474.51 and 59,647.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,455.50 : 123,474.51 = 59,647.50 : x
2. Step 2: Convert to fraction form
   89,455.50/123,474.51 = 59,647.50/x
3. Step 3: Cross multiply
   89,455.50x = 123,474.51 × 59,647.50
4. Step 4: Simplify right side
   89,455.50x = 7,364,945,835.23
5. Step 5: Solve for x
   x = 7,364,945,835.23/89,455.50
6. Step 6: Final answer
   x = 82,330.83