Finding the Fourth Proportional to 2,109,699.92, 2,910,669.72 and 1,191,794.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109,699.92 : 2,910,669.72 = 1,191,794.96 : x
2. Step 2: Convert to fraction form
   2,109,699.92/2,910,669.72 = 1,191,794.96/x
3. Step 3: Cross multiply
   2,109,699.92x = 2,910,669.72 × 1,191,794.96
4. Step 4: Simplify right side
   2,109,699.92x = 3,468,921,502,520.61
5. Step 5: Solve for x
   x = 3,468,921,502,520.61/2,109,699.92
6. Step 6: Final answer
   x = 1,644,272.47