Finding the Fourth Proportional to 2,109,043.32, 3,162,910.38 and 761,031

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109,043.32 : 3,162,910.38 = 761,031 : x
2. Step 2: Convert to fraction form
   2,109,043.32/3,162,910.38 = 761,031/x
3. Step 3: Cross multiply
   2,109,043.32x = 3,162,910.38 × 761,031
4. Step 4: Simplify right side
   2,109,043.32x = 2,407,072,849,401.78
5. Step 5: Solve for x
   x = 2,407,072,849,401.78/2,109,043.32
6. Step 6: Final answer
   x = 1,141,310.29