Finding the Fourth Proportional to 2,108,790.38, 2,910,144.56 and 1,141,920.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108,790.38 : 2,910,144.56 = 1,141,920.72 : x
2. Step 2: Convert to fraction form
   2,108,790.38/2,910,144.56 = 1,141,920.72/x
3. Step 3: Cross multiply
   2,108,790.38x = 2,910,144.56 × 1,141,920.72
4. Step 4: Simplify right side
   2,108,790.38x = 3,323,154,371,259.28
5. Step 5: Solve for x
   x = 3,323,154,371,259.28/2,108,790.38
6. Step 6: Final answer
   x = 1,575,858.09