Finding the Fourth Proportional to 89,287.11, 123,221.76 and 59,019.94

Step by Step Solution

1. Step 1: Write the proportion equation
   89,287.11 : 123,221.76 = 59,019.94 : x
2. Step 2: Convert to fraction form
   89,287.11/123,221.76 = 59,019.94/x
3. Step 3: Cross multiply
   89,287.11x = 123,221.76 × 59,019.94
4. Step 4: Simplify right side
   89,287.11x = 7,272,540,814.60
5. Step 5: Solve for x
   x = 7,272,540,814.60/89,287.11
6. Step 6: Final answer
   x = 81,451.18