Finding the Fourth Proportional to 2,311,799.10, 3,469,068.57 and 1,287,986.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,311,799.10 : 3,469,068.57 = 1,287,986.31 : x
2. Step 2: Convert to fraction form
   2,311,799.10/3,469,068.57 = 1,287,986.31/x
3. Step 3: Cross multiply
   2,311,799.10x = 3,469,068.57 × 1,287,986.31
4. Step 4: Simplify right side
   2,311,799.10x = 4,468,112,826,611.28
5. Step 5: Solve for x
   x = 4,468,112,826,611.28/2,311,799.10
6. Step 6: Final answer
   x = 1,932,742.70