Finding the Fourth Proportional to 3,509,436.33, 5,265,828.23 and 1,911,964.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,509,436.33 : 5,265,828.23 = 1,911,964.05 : x
2. Step 2: Convert to fraction form
   3,509,436.33/5,265,828.23 = 1,911,964.05/x
3. Step 3: Cross multiply
   3,509,436.33x = 5,265,828.23 × 1,911,964.05
4. Step 4: Simplify right side
   3,509,436.33x = 10,068,074,259,675.31
5. Step 5: Solve for x
   x = 10,068,074,259,675.31/3,509,436.33
6. Step 6: Final answer
   x = 2,868,857.93