Finding the Fourth Proportional to 123,026.72, 168,669.59 and 120,784.70

Step by Step Solution

1. Step 1: Write the proportion equation
   123,026.72 : 168,669.59 = 120,784.70 : x
2. Step 2: Convert to fraction form
   123,026.72/168,669.59 = 120,784.70/x
3. Step 3: Cross multiply
   123,026.72x = 168,669.59 × 120,784.70
4. Step 4: Simplify right side
   123,026.72x = 20,372,705,645.02
5. Step 5: Solve for x
   x = 20,372,705,645.02/123,026.72
6. Step 6: Final answer
   x = 165,595.79