Finding the Fourth Proportional to 89,697.98, 123,800.60 and 51,480.16

Step by Step Solution

1. Step 1: Write the proportion equation
   89,697.98 : 123,800.60 = 51,480.16 : x
2. Step 2: Convert to fraction form
   89,697.98/123,800.60 = 51,480.16/x
3. Step 3: Cross multiply
   89,697.98x = 123,800.60 × 51,480.16
4. Step 4: Simplify right side
   89,697.98x = 6,373,274,515.29
5. Step 5: Solve for x
   x = 6,373,274,515.29/89,697.98
6. Step 6: Final answer
   x = 71,052.60