Finding the Fourth Proportional to 89,212.86, 123,104.82 and 51,499.26

Step by Step Solution

1. Step 1: Write the proportion equation
   89,212.86 : 123,104.82 = 51,499.26 : x
2. Step 2: Convert to fraction form
   89,212.86/123,104.82 = 51,499.26/x
3. Step 3: Cross multiply
   89,212.86x = 123,104.82 × 51,499.26
4. Step 4: Simplify right side
   89,212.86x = 6,339,807,132.43
5. Step 5: Solve for x
   x = 6,339,807,132.43/89,212.86
6. Step 6: Final answer
   x = 71,063.83