Finding the Fourth Proportional to 113,789.79, 169,819.43 and 101,178.77

Step by Step Solution

1. Step 1: Write the proportion equation
   113,789.79 : 169,819.43 = 101,178.77 : x
2. Step 2: Convert to fraction form
   113,789.79/169,819.43 = 101,178.77/x
3. Step 3: Cross multiply
   113,789.79x = 169,819.43 × 101,178.77
4. Step 4: Simplify right side
   113,789.79x = 17,182,119,694.51
5. Step 5: Solve for x
   x = 17,182,119,694.51/113,789.79
6. Step 6: Final answer
   x = 150,998.78