Finding the Fourth Proportional to 172,789.77, 259,219.89 and 97,943.34

Step by Step Solution

1. Step 1: Write the proportion equation
   172,789.77 : 259,219.89 = 97,943.34 : x
2. Step 2: Convert to fraction form
   172,789.77/259,219.89 = 97,943.34/x
3. Step 3: Cross multiply
   172,789.77x = 259,219.89 × 97,943.34
4. Step 4: Simplify right side
   172,789.77x = 25,388,861,821.03
5. Step 5: Solve for x
   x = 25,388,861,821.03/172,789.77
6. Step 6: Final answer
   x = 146,934.98