Finding the Fourth Proportional to 89,621.55, 123,716.03 and 63,796.77

Step by Step Solution

1. Step 1: Write the proportion equation
   89,621.55 : 123,716.03 = 63,796.77 : x
2. Step 2: Convert to fraction form
   89,621.55/123,716.03 = 63,796.77/x
3. Step 3: Cross multiply
   89,621.55x = 123,716.03 × 63,796.77
4. Step 4: Simplify right side
   89,621.55x = 7,892,682,792.24
5. Step 5: Solve for x
   x = 7,892,682,792.24/89,621.55
6. Step 6: Final answer
   x = 88,066.80