Finding the Fourth Proportional to 2,109,697.92, 2,910,666.96 and 1,191,792.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109,697.92 : 2,910,666.96 = 1,191,792.96 : x
2. Step 2: Convert to fraction form
   2,109,697.92/2,910,666.96 = 1,191,792.96/x
3. Step 3: Cross multiply
   2,109,697.92x = 2,910,666.96 × 1,191,792.96
4. Step 4: Simplify right side
   2,109,697.92x = 3,468,912,391,832.60
5. Step 5: Solve for x
   x = 3,468,912,391,832.60/2,109,697.92
6. Step 6: Final answer
   x = 1,644,269.71