Finding the Fourth Proportional to 123,889.86, 170,992.89 and 73,579.14

Step by Step Solution

1. Step 1: Write the proportion equation
   123,889.86 : 170,992.89 = 73,579.14 : x
2. Step 2: Convert to fraction form
   123,889.86/170,992.89 = 73,579.14/x
3. Step 3: Cross multiply
   123,889.86x = 170,992.89 × 73,579.14
4. Step 4: Simplify right side
   123,889.86x = 12,581,509,792.31
5. Step 5: Solve for x
   x = 12,581,509,792.31/123,889.86
6. Step 6: Final answer
   x = 101,553.99