Finding the Fourth Proportional to 2,389,723.29, 3,299,036.94 and 1,619,423.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,389,723.29 : 3,299,036.94 = 1,619,423.55 : x
2. Step 2: Convert to fraction form
   2,389,723.29/3,299,036.94 = 1,619,423.55/x
3. Step 3: Cross multiply
   2,389,723.29x = 3,299,036.94 × 1,619,423.55
4. Step 4: Simplify right side
   2,389,723.29x = 5,342,538,112,955.94
5. Step 5: Solve for x
   x = 5,342,538,112,955.94/2,389,723.29
6. Step 6: Final answer
   x = 2,235,630.43